Inside Beyoncé’s Atlantic City Concert Costumes

Sasha Fierce is back and better than ever! See photos.

Show Stopper - Beyoncé channels her inner showgirl in a feathery costume while performing this weekend at Atlantic City’s newly launched Revel resort in her first concerts since giving birth to daughter Blue Ivy.  (Photo: Kevin Mazur/WireImage)

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Show Stopper - Beyoncé channels her inner showgirl in a feathery costume while performing this weekend at Atlantic City’s newly launched Revel resort in her first concerts since giving birth to daughter Blue Ivy. (Photo: Kevin Mazur/WireImage)

Queen B - The new mom and World's Most Beautiful Woman revealed her amazing post-baby body in custom-made costumes truly fit for a queen.  (Photo: Kevin Mazur/WireImage)

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Queen B - The new mom and World's Most Beautiful Woman revealed her amazing post-baby body in custom-made costumes truly fit for a queen. (Photo: Kevin Mazur/WireImage)

Photo By Photo: Kevin Mazur/WireImage

Welcome Home, Sasha Fierce! - Beyoncé hits the stage at Ovation Hall at Revel Resort and Casino for her four-day concert series over Memorial Day weekend in Atlantic City, New Jersey. The show received rave reviews.   (Photo: Kevin Mazur/WireImage)

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Star Studded - The inspiration for the sexy concert looks was “modern showgirl,” Ralph & Russo designer Tamara Ralph tells People. (Photo: Kevin Mazur/WireImage)

Photo By Kevin Mazur/WireImage

Beyoncé, "Freakum Dress" - Listen to Beyoncé: Fashion is a weapon. With this 2009 single she shows the power of "pulling out the big guns" — also known as putting on a small, tight dress.    (Photo: AP Photo/Parkwood Entertainment, Robin Harper)

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Glamour Girl - The designers worked closely with the singer to create the four custom pieces worn during the sold-out shows. “Beyoncé wanted us to be really creative and create fun and edgy designs that had an ultra-glamorous feel,” Ralph adds. (Photo: AP Photo/Parkwood Entertainment, Robin Harper)

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Costume Ball - A team of 20 couturiers worked around the clock to complete the looks, which were embellished with more than 500,000 crystals from Swarovski Elements. (Photo: Kevin Mazur/WireImage)

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Fit for a Queen - “Beyoncé always delivers energetic performances and therefore we take into account the comfort and flexibility of each outfit and the ease of getting in and out of the pieces with quick costume changes,” adds co-designer Michael Russo. Perfect for the singer’s highly-charged concert comeback.  (Photo: Kevin Mazur/WireImage)

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Fit for a Queen - “Beyoncé always delivers energetic performances and therefore we take into account the comfort and flexibility of each outfit and the ease of getting in and out of the pieces with quick costume changes,” adds co-designer Michael Russo. Perfect for the singer’s highly-charged concert comeback. (Photo: Kevin Mazur/WireImage)

Go Girl! - Highlights included “Single Ladies (Put a Ring on It),” "Run the World (Girls),” “Halo,” “Countdown” and “1+1.”   (Photo: Kevin Mazur/WireImage)

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Go Girl! - Highlights included “Single Ladies (Put a Ring on It),” "Run the World (Girls),” “Halo,” “Countdown” and “1+1.” (Photo: Kevin Mazur/WireImage)

Beyonce - Competing in the same category as Baker, Beyoncé is up for Best Traditional R&B Performance with her single "Love On Top."

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Queen B - Tell us: What do you think of Bey's sexy concert looks? (Photo: Kevin Mazur/WireImage)