The Buzz: Rihanna Calls Out J.R. Smith, Mariah On Top and More...

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At It Again - When it comes to speaking her mind, Rihanna NEVER holds back. Unfortunately, when Rih speaks feelings get hurt and her most recent victim was the NBA's Sixth Man of the Year, J.R. Smith. After Knicks fans blamed Rih for his poor performance in the playoffs after a run-in at a club, she fired back and referred to him as "desert thirsty." Dang, Rih!(Photo: Splash News)

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At It Again - When it comes to speaking her mind, Rihanna NEVER holds back. Unfortunately, when Rih speaks feelings get hurt and her most recent victim was the NBA's Sixth Man of the Year, J.R. Smith. After Knicks fans blamed Rih for his poor performance in the playoffs after a run-in at a club, she fired back and referred to him as "desert thirsty." Dang, Rih!(Photo: Splash News)

J.R. Smith’s response to Kris Humphries’s gloat about making Madison Square Garden quiet after a win:  - “Wasn’t quiet when Kanye tore it down last month!” (Photo: Stephen Lovekin/Getty Images)

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No Sweat Off His Back - Although Rihanna's words were meant to sting J.R., he doesn't seem to care too much at all after posting a photo on Instagram of Will Smith from Men In Black holding the neuralizer with the words "You saw me in the club with who?" Good sport J.R.!(Photo: Stephen Lovekin/Getty Images)

Mariah Carey, @mariahcarey - Tweet: "#Hebrews11 One man dared to dream and changed our world forever, Thank You Dr.MLK for shining the way for us. #John14:27 #DreamDay."R&B icon Mariah Carey may have spread the most thoughtful tweet commemorating Dr. Martin Luther King Jr.'s 50th anniversary for his "I Have A Dream" speech.(Photo: Kevin Winter/Getty Images)

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Mimi Is Back! - Mariah Carey has snagged her 27th top ten single with her latest, "Beautiful" featuring Miguel. Congrats, Mimi! Keep it up!(Photo: Kevin Winter/Getty Images)

It's Drizzy - Drake gives the cool pose at the Mayback Music Group album listening party at Sin City in the Bronx. (Photo: Shareif Ziyadat/FilmMagic)

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It's The OVO! - Drake's 4th Annual OVO Festival was announced this week and so far the line up includes Frank Ocean and James Blake. Will you head to Toronto for the music festival? (Photo: Shareif Ziyadat/FilmMagic)

Your New Idol Is... - American Idol's Season 12 winner was crowned last night and was none other than Candice Glover. Having already caught the attention of Drake, Candice did a duet with Jennifer Hudson and proved that she can hold her own and that she deserved to be at the top after having auditioned for Idol, two previous times.(Photo: Frazer Harrison/Getty Images)

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Your New Idol Is... - American Idol's Season 12 winner was crowned last night and was none other than Candice Glover. Having already caught the attention of Drake, Candice did a duet with Jennifer Hudson and proved that she can hold her own and that she deserved to be at the top after having auditioned for Idol, two previous times.(Photo: Frazer Harrison/Getty Images)

Beyonce's Uncle Said... - Beyonce's uncle Larry Beyince made the news this morning for discussing his niece's personal life in detail. Mr. Beyince said that he's glad that the pop star stopped working with her father, that she wasn't really into Jay-Z and a lot of other questionable things that would make people wonder about how genuine Beyonce really is. Fortunately, we're brushing this off as a cry for attention and a lack of PR. No more rumors!(Photo: AP Photo/Ramon Espinosa)

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Beyonce's Uncle Said... - Beyonce's uncle Larry Beyince made the news this morning for discussing his niece's personal life in detail. Mr. Beyince said that he's glad that the pop star stopped working with her father, that she wasn't really into Jay-Z and a lot of other questionable things that would make people wonder about how genuine Beyonce really is. Fortunately, we're brushing this off as a cry for attention and a lack of PR. No more rumors!(Photo: AP Photo/Ramon Espinosa)