Tweets of the Week: Meek Mill Disses Cassidy

Plus Twitter chatter from Rihanna, 50 Cent and more.

MMG's Finest  - Philly rapper Meek Mill has had an incredible year and it only seems to be getting better. Here, the burgeoning star attends "NBA 2K13" Premiere Launch Party at 40/40 Club in New York City. (Photo: Dimitrios Kambouris/Getty Images)

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Meek Mill @MeekMill - Tweet: "Truthfully I wanted 2 battle the underground n----s 2 bring more light 2 they s--- cause I love what they doing....cass just thristy!"Meek Mill would bet $100K on Murda Mook battling Cassidy, but Meek has no desire to battle him.(Photo: Dimitrios Kambouris/Getty Images) 

Cassidy - Rather than spitting over the regular "Drunk in Love" beat, Cassidy took a vocal sample of Beyoncé from the song and used it as the chorus for his remix, "Surfboard." (Photo: Stephen Lovekin/Getty Images)

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Cassidy @CASSIDY_LARSINY - Tweet: "F--- all this tweeting and s---.. Put that s--- in a rap, battle me, and get your f---ing head bit off..."Cassidy records a Meek Mill diss track and challenges him to battle. (Photo: Stephen Lovekin/Getty Images)

Solange @solangeknowles - Tweets of the Week: "Discrim-FRO-nation. My hair is not a storage drawer. Although, guess I couuld hide a joint up in here. *Blames "Romnesia" (my wigs name)."Solange accuses the TSA of discrimination.(Photo: Jamie McCarthy/Getty Images)

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Solange @solangeknowles - Tweets of the Week: "Discrim-FRO-nation. My hair is not a storage drawer. Although, guess I couuld hide a joint up in here. *Blames "Romnesia" (my wigs name)."Solange accuses the TSA of discrimination.(Photo: Jamie McCarthy/Getty Images)

Nicki Minaj on President Obama’s response to her controversial line about voting for Mitt Romney: - "Ha! Thank you for understanding my creative humor and sarcasm, Mr. President. The smart ones always do..." (Photo: Frederick M. Brown/Getty Images)

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Nicki Minaj @NICKIMINAJ - Tweet: "Lol. Not calln it pink Friday records anymore barbz. Not fair 2 the dudes. I'll issue a press release w/ the official name very soon."Nicki Minaj is launching her own record label.(Photo: Frederick M. Brown/Getty Images)

Photo By Photo: Frederick M. Brown/Getty Images

50 Cent @50cent - Its not funny @ChiefKeef didn't sell any records yet,they will pull the plug on him. SMSAUDIOAfter missing his own video shoot, 50 Cent warns Chicago rapper Chief Keef to get it together before his career is over. (Photo by Chris McKay/Getty Images for BET)

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50 Cent @50cent - Its not funny @ChiefKeef didn't sell any records yet,they will pull the plug on him. SMSAUDIOAfter missing his own video shoot, 50 Cent warns Chicago rapper Chief Keef to get it together before his career is over. (Photo by Chris McKay/Getty Images for BET)

Photo By Photo: Chris McKay/Getty Images for BET

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Rihanna @rihanna - Tweet: "Happy Birthday to 1 of the most remarkable young men in my world....My brother from the same mother, @RorreyFenty I love u bro! Kill $---."Rihanna wishes her little brother a happy birthday.(Photo: Ilya S. Savenok/WireImage)

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Rihanna @rihanna - Tweet: "Happy Birthday to 1 of the most remarkable young men in my world....My brother from the same mother, @RorreyFenty I love u bro! Kill $---."Rihanna wishes her little brother a happy birthday.(Photo: Ilya S. Savenok/WireImage)

Chris Brown @chrisbrown - Tweet: "Bald breezy! Mr clean http://instagr.am/p/R0yGKQvpTG/"Chris Brown shaves his head.(Photo: David Tonnessen, PacificCoastNews.com)

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Chris Brown @chrisbrown - Tweet: "Bald breezy! Mr clean http://instagr.am/p/R0yGKQvpTG/"Chris Brown shaves his head.(Photo: David Tonnessen, PacificCoastNews.com)

Photo By Photo: David Tonnessen

Snoop Dogg on hip hop being ready for a gay rapper: - "People are learning how to live and get along more, and accept people for who they are and not bash them or hurt them because they’re different.”  (Photo: Frederick M. Brown/Getty Images)

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Snoop Dogg @SnoopDogg - Tweet: "Doin what I can for what I believe in…Snoop Dogg gives back to Jamaica with a food initiative for  the needy. (Photo: Frederick M. Brown/Getty Images)

Photo By Photo: Frederick M. Brown/Getty Images

Big Boi @BigBoi - Tweet: "The Gillete Statement was me being Sarcastic, man y'all slow as h---, No Beef between me and Stacks. No More Outkast ?'s will be answered."Big Boi refuses to answer any additional questions about Andre 3000.(Photo: Frederick M. Brown/Getty Images)

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Big Boi @BigBoi - Tweet: "The Gillete Statement was me being Sarcastic, man y'all slow as h---, No Beef between me and Stacks. No More Outkast ?'s will be answered."Big Boi refuses to answer any additional questions about Andre 3000.(Photo: Frederick M. Brown/Getty Images)

Alicia Keys @aliciakeys - Tweet: "Love to @EmeliSande for co-writing #BrandNewMe with me! So proud of this song, girl! youtu.be/FjY1GQmbbDo."Alicia Keys shouts out Emeli Sande for co-writing her latest single.(Photo: Ian Gavan/Getty Images for MTV)

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Alicia Keys @aliciakeys - Tweet: "Love to @EmeliSande for co-writing #BrandNewMe with me! So proud of this song, girl! youtu.be/FjY1GQmbbDo."Alicia Keys shouts out Emeli Sande for co-writing her latest single.(Photo: Ian Gavan/Getty Images for MTV)

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Azealia Banks @AZEALIABANKS - Tweet: "I got invited to tour with Nicki Minaj in Europe but I can't go because I have to finish my album during that time. :(" The young rap star turns down the opportunity to perform with Nicki.(Photo: Gustavo Caballero/Getty Images)

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Azealia Banks @AZEALIABANKS - Tweet: "LOL! damn, ladies: how wack is it when u get all excited and glammed up to go to a function only to get there and have all the men be gay?!"Azealia Banks wants some straight male attention.(Photo: Gustavo Caballero/Getty Images)

Photo By Photo: G

Saigon @TheRealSaigon - Tweet: "Atleast I know if Tupac was alive he would be riding with ME. The s--- he is saying is more applicable now than back then."Saigon thinks he and Tupac would've been buddies.(Photo: Amy Sussman/Getty Images For The Miami Group)

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Saigon @TheRealSaigon - Tweet: "Atleast I know if Tupac was alive he would be riding with ME. The s--- he is saying is more applicable now than back then."Saigon thinks he and Tupac would've been buddies.(Photo: Amy Sussman/Getty Images For The Miami Group)

Photo By Photo: Amy Sussman/Getty Images For The Miami Group

Shyne: November 8 - The Belize born, Brooklyn-raised and born-again Jewish rapper celebrates his 35th birthday. (Photo: UPI/Debbie Hill /Landov)

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Shyne @OriginalShyne - Tweet: "It was all good couple weeks ago! Where @thegame my top cheerleader go?"Shyne is still beefing with Game. (Photo: UPI/Debbie Hill /Landov)

Photo By Photo: UPI/Debbie Hill /Landov

Game on his infamous fight with 40 Glocc:  - "You can do whatever you want to me: rap about me; you can shoot me; kill me; stab me; it doesn't matter. You talk about my kids, that's when it gets really real.” (Photo: Jason Merritt/Getty Images)

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Game @thegame - Tweet: "RT @OriginalShyne: @thegame when I see u in Paris I'm a perfect my aim. Can't wait tuff guy! - erebody kno u shoot at clouds p----"Game disses Shyne's shooting skills.(Photo: Jason Merritt/Getty Images)