Out and About: Jennifer Lopez Gets Glam at American Idol Finalists Party

Plus, pics of Nas, Jamie Foxx, Michelle Obama and more.

The Block Is Hot - Jennifer Lopez shows off her fit physique in this Cushnie et Ochs cut-out dress at FOX's American Idol XIII finalists party at Fig & Olive Melrose Place in West Hollywood, California. (Photo: Kevin Winter/Getty Images)

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The Block Is Hot - Jennifer Lopez shows off her fit physique in this Cushnie et Ochs cut-out dress at FOX's American Idol XIII finalists party at Fig & Olive Melrose Place in West Hollywood, California. (Photo: Kevin Winter/Getty Images)

First Lady Fun - Michelle Obama has fun performing a skit with Jimmy Fallon and actor Will Ferrell during the "Ew" skit on The Tonight Show Starring Jimmy Fallon. (Photo: Lloyd Bishop/NBC/NBCU Photo Bank)

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First Lady Fun - Michelle Obama has fun performing a skit with Jimmy Fallon and actor Will Ferrell during the "Ew" skit on The Tonight Show Starring Jimmy Fallon. (Photo: Lloyd Bishop/NBC/NBCU Photo Bank)

Oh, What a Night! - Nas, Gayle King and Steve Stoute attend the premiere of The Tanning of America screening and party at Paley Center for Media in New York City. (Photo: Larry Busacca/Getty Images for VH1)

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Oh, What a Night! - Nas, Gayle King and Steve Stoute attend the premiere of The Tanning of America screening and party at Paley Center for Media in New York City. (Photo: Larry Busacca/Getty Images for VH1)

Werk! - Rita Ora struts down the runway at the Moschino 2014 Fall/Winter Womenswear show during Milan Fashion Week in Milan. (Photo: Jacopo Raule/Getty Images)

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Werk! - Rita Ora struts down the runway at the Moschino 2014 Fall/Winter Womenswear show during Milan Fashion Week in Milan. (Photo: Jacopo Raule/Getty Images)

Photo By Photo: Jacopo Raule/Getty Images

The All-Stars - Academy Award winner Jamie Foxx and NFL Super Bowl Champ Richard Sherman attend Chefs + Models Volleyball Tournament during the Food Network South Beach Wine & Food Festival in Miami. (Photo: Michael N. Todaro/Getty Images for Food Network SoBe Wine & Food Festival)

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The All-Stars - Academy Award winner Jamie Foxx and NFL Super Bowl Champ Richard Sherman attend Chefs + Models Volleyball Tournament during the Food Network South Beach Wine & Food Festival in Miami. (Photo: Michael N. Todaro/Getty Images for Food Network SoBe Wine & Food Festival)

Photo By Photo: Michael N. Todaro/Getty Images for Food Network SoBe Wine & Food Festival

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Fashion Mama - Kim Kardashian shops for baby North in the SoHo neighborhood of NYC. (Photo: Sharpshooter Images / Splash)

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Fashion Mama - Kim Kardashian shops for baby North in the SoHo neighborhood of NYC. (Photo: Sharpshooter Images / Splash)

Photo By Photo: Sharpshooter Images / Splash

Blondes Have More Fun - Singer Ashanti attends Ringling Bros. and Barnum & Bailey presents "Legends" at Barclays Center rocking a red lip and matching shades and her new blonde hairdo in Brooklyn, NY. (Photo: Cindy Ord/Getty Images for Ringling Bros. And Barnum & Bailey)

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Blondes Have More Fun - Singer Ashanti attends Ringling Bros. and Barnum & Bailey presents "Legends" at Barclays Center rocking a red lip and matching shades and her new blonde hairdo in Brooklyn, NY. (Photo: Cindy Ord/Getty Images for Ringling Bros. And Barnum & Bailey)

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Papa Reg - Reggie Bush steps out for lunch with his daughter, Briseis, and fiancée, Lilit Avagyan (not pictured), in Los Angeles. (Photo: RevolutionPix, PacificCoastNews)

Queen of the World - Beyoncé shimmers in an emerald green sequin dress during her performance at the 2014 BRIT Awards 2014 at 02 Arena in London. (Photo: Ian Gavan/Getty Images)

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Queen of the World - Beyoncé shimmers in an emerald green sequin dress during her performance at the 2014 BRIT Awards 2014 at 02 Arena in London. (Photo: Ian Gavan/Getty Images)

Bright as the Sun - Brit chick Rita Ora is stunning in yellow on the red carpet of the 2014 BRIT Awards held at 02 Arena in London. (Photo: Anthony Harvey/Getty Images)

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Bright as the Sun - Brit chick Rita Ora is stunning in yellow on the red carpet of the 2014 BRIT Awards held at 02 Arena in London. (Photo: Anthony Harvey/Getty Images)

Photo By Photo: Anthony Harvey/Getty Images

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Oh Yeah, Yeah! - Bruno Mars performs at the BRIT Awards 2014 at 02 Arena in London. (Photo: Ian Gavan/Getty Images)

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Oh Yeah, Yeah! - Bruno Mars performs at the BRIT Awards 2014 at 02 Arena in London. (Photo: Ian Gavan/Getty Images)

Photo By Photo: Ian Gavan/Getty Images

Bold and Beautiful - DuJour Magazine celebrates its winter issue cover girl, Lupita Nyong'o, at Butter Restaurant in New York City. (Photo: Jemal Countess/Getty Images)

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Bold and Beautiful - DuJour Magazine celebrates its winter issue cover girl, Lupita Nyong'o, at Butter Restaurant in New York City. (Photo: Jemal Countess/Getty Images)

Photo By Jemal Countess/Getty Images

City Chic - Kim Kardashian leaves her fiancé Kanye West's apartment in the SoHo neighborhood in New York City. (Photo: Splash News)

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City Chic - Kim Kardashian leaves her fiancé Kanye West's apartment in the SoHo neighborhood in New York City. (Photo: Splash News)

Photo By Photo: Splash News

Courtside Cool - LL Cool J enjoys his court-side seats at the Lakers versus Houston Rockets game at Staples Center in downtown Los Angeles. (Photo: London Ent / Splash News)

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Courtside Cool - LL Cool J enjoys his court-side seats at the Lakers versus Houston Rockets game at Staples Center in downtown Los Angeles. (Photo: London Ent / Splash News)

Photo By Photo: London Ent / Splash News

Fan Out - Actress Vanessa Williams poses with cast member Dulé Hill following a performance of "After Midnight" at Brooks Atkinson Theatre in New York City. (Photo: Cindy Ord/Getty Images)

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Fan Out - Actress Vanessa Williams poses with cast member Dulé Hill following a performance of "After Midnight" at Brooks Atkinson Theatre in New York City. (Photo: Cindy Ord/Getty Images)

Photo By Photo: Cindy Ord/Getty Images

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Birthday Beauty - Rihanna is always picture perfect. Here, she is wearing a long white dress as she departs a building in Beverly Hills just days before her birthday. (Photo: WENN.com)

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Birthday Beauty - Rihanna is always picture perfect. Here, she is wearing a long white dress as she departs a building in Beverly Hills just days before her birthday. (Photo: WENN.com)

Lace and Lots of Tulle - Rita Ora stikes a pose on the red carpet of the British Elle Style Awards at One Embankment in London. (Photo: Anthony Harvey/Getty Images)

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Lace and Lots of Tulle - Rita Ora stikes a pose on the red carpet of the British Elle Style Awards at One Embankment in London. (Photo: Anthony Harvey/Getty Images)

Photo By Photo: Anthony Harvey/Getty Images

Man of Style - Pharrell Williams and wife Helen Lasichanh make a striking pair as they arrive at the 2014 British Elle Style Awards at One Embankment in London. (Photo: Ian Gavan/Getty Images)

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Man of Style - Pharrell Williams and wife Helen Lasichanh make a striking pair as they arrive at the 2014 British Elle Style Awards at One Embankment in London. (Photo: Ian Gavan/Getty Images)

Photo By Photo: Ian Gavan/Getty Images

My Cover Girl - John Legend gives his wife, model Chrissy Tiegen, a kiss at the Sports Illustrated Swimsuit Edition, 50 Years of Swim in NYC Celebration at the Sports Illustrated Swimsuit Beach House in New York City. (Photo: Jamie McCarthy/Getty Images for Sports Illustrated)

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My Cover Girl - John Legend gives his wife, model Chrissy Tiegen, a kiss at the Sports Illustrated Swimsuit Edition, 50 Years of Swim in NYC Celebration at the Sports Illustrated Swimsuit Beach House in New York City. (Photo: Jamie McCarthy/Getty Images for Sports Illustrated)

Back to Broadway - Denzel Washington speaks during a meet and greet with the cast of his upcoming Broadway production, A Raisin in the Sun, at the rehearsal space at Lincoln Center in New York City. (Photo: Joseph Marzullo/WENN.com)

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Back to Broadway - Denzel Washington speaks during a meet and greet with the cast of his upcoming Broadway production, A Raisin in the Sun, at the rehearsal space at Lincoln Center in New York City. (Photo: Joseph Marzullo/WENN.com)

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Family Time - Mel B spends some quality time with her daughter Phoenix as her eldest celebrates her 15th birthday at Mr Chow's restaurant. (Photo: MOVI Inc. / Splash News)

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Family Time - Mel B spends some quality time with her daughter Phoenix as her eldest celebrates her 15th birthday at Mr Chow's restaurant. (Photo: MOVI Inc. / Splash News)

Photo By Photo: MOVI Inc. / Splash News

Ring My Bell - Actor and comedian Wayne Brady rings the closing bell at NASDAQ MarketSite in New York City in promotion of 2014 BET Honors. (Photo: Robin Marchant/Getty Images)

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Ring My Bell - Actor and comedian Wayne Brady rings the closing bell at NASDAQ MarketSite in New York City in promotion of 2014 BET Honors. (Photo: Robin Marchant/Getty Images)

Photo By Photo: Robin Marchant/Getty Images

#WayTooCold - Kanye West is bundled up as he leaves a NYC fashion design studio, where he and his friend, designer Virgil Abloh, were working on some new gear. Yeezy's bodyguard was later seen carrying samples of the line. (Photo: 247PapsTV / Splash News)

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#WayTooCold - Kanye West is bundled up as he leaves a NYC fashion design studio, where he and his friend, designer Virgil Abloh, were working on some new gear. Yeezy's bodyguard was later seen carrying samples of the line. (Photo: 247PapsTV / Splash News)

Late Night With Jimmy Fallon's Greatest Hip Hop Moments - TV's longest-running regularly scheduled entertainment show officially has a new host. The Tonight Show Starring Jimmy Fallon debuted last night (Feb. 17) on NBC with Fallon joined by a slew of celebrities including Will Smith, with whom he did the Kid-N-Play, the stanky leg, and the Carlton — among more memorable moves — for a bit called the "Evolution of Hip Hop Dancing." It's an indication that Fallon — whose house band is the Roots — shows no signs of derailing the connection he's built with culture. Meanwhile, check out some of his best hip hop moments from the Late Night With Jimmy Fallon vaults. (Photo: Lloyd Bishop/NBC/NBCU Photo Bank)

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Bust a Move - Will Smith performs in the "Evolution of Hip Hop Dancing" skit alongside Jimmy Fallon on the reboot of The Tonight Show Starring Jimmy Fallon in New York City. (Photo: Lloyd Bishop/NBC/NBCU Photo Bank)

Actin' Up - Mariah Carey brings a gift to the new host of The Tonight Show, Jimmy Fallon, at Rockefeller Center in New York City. (Photo: Theo Wargo/Getty Images for The Tonight Show Starring Jimmy Fallon)

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Actin' Up - Mariah Carey brings a gift to the new host of The Tonight Show, Jimmy Fallon, at Rockefeller Center in New York City. (Photo: Theo Wargo/Getty Images for The Tonight Show Starring Jimmy Fallon)

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2 Brit Chix and an American Girl - Rita Ora, Naomi Campbell and Oprah Winfrey share a laugh at the Weinstein Co. post-BAFTA party hosted by Bulgari and Grey Goose at Rosewood London in London. (Photo: David M. Benett/Getty Images for The Weinstein Company)

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2 Brit Chix and an American Girl - Rita Ora, Naomi Campbell and Oprah Winfrey share a laugh at the Weinstein Co. post-BAFTA party hosted by Bulgari and Grey Goose at Rosewood London in London. (Photo: David M. Benett/Getty Images for The Weinstein Company)

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Let Her Eat Cake - Rihanna leaves Giorgio Baldi Italian restaurant with best friend Melissa after an early birthday dinner. The Bajan beauty singer turns 26 on February 20. (Photo: Devone Byrd, PacificCoastNews)

Photo By Photo: Devone Byrd

Shop, Film, Repeat - Kourtney and Kim Kardashian go shopping for a new Dash store in NYC while filming their hit reality series, Keeping Up With the Kardashians. (Photo: Jackson Lee / Splash News) 

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Shop, Film, Repeat - Kourtney and Kim Kardashian go shopping for a new Dash store in NYC while filming their hit reality series, Keeping Up With the Kardashians. (Photo: Jackson Lee / Splash News) 

Super Fan - Drake cheers from the sidelines at the 63rd NBA All-Star Game at the Smoothie King Center in New Orleans. (Photo: Mike Coppola/Getty Images)

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Super Fan - Drake cheers from the sidelines at the 63rd NBA All-Star Game at the Smoothie King Center in New Orleans. (Photo: Mike Coppola/Getty Images)

Photo By Photo: Mike Coppola/Getty Images

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Dashing Diva - Gabrielle Union arrives at LAX Airport from Miami. (Photo: Splash News)

Photo By Photo: Splash News

Leading Lady - Naomie Harris attends Burberry Womenswear Autumn/Winter 2014 at Kensington Gardens during London Fashion Week. (Photo: Ian Gavan/Getty Images for Burberry)

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Leading Lady - Naomie Harris attends Burberry Womenswear Autumn/Winter 2014 at Kensington Gardens during London Fashion Week. (Photo: Ian Gavan/Getty Images for Burberry)