MTV.com News — She also opens up about 'time-demanding' Last Girl on Earth Tour and the success of 'Rude Boy.'By James Dinh Rihanna performs on "American Idol" on Wednesday Photo: Fox Wednesday night might have marked Rihanna's "American Idol" debut, but ... more info

Idolator — Ke$ha will have to take shots of Jack on her own backstage—Nicki Minaj has already pulled out of the Last Girl on Earth tour. She tweeted: “I’m sorry 2 say I will not be going out on RiRi’s tour. I’ve decided 2 use that ... more info

AllHipHop — (AllHipHop News) Nicki Minaj will not be heading out on the road with R&B singer Rihanna’s “Last Girl On Earth Tour,” the rapper revealed today (April 7th). On Monday, organizers of Rihanna’s “Last Girl On Earth Tourâ... more info

Idolator — Given that Taio Cruz paired up with Ke$ha for his new single “Dirty Picture,” Idolator asked the British crooner last month to cough up any naughty snaps he might have of the “TiK ToK” vixen. “I don’t have any dirty pictures of Ke$ha... more info

Unreality Music — It’s been a long time since I’ve written for this blog...but now I’m back…with the premiere of Taio Cruz’s Dirty Picture video which features everyone’s favourite trashy new pop princess Ke$ha. The single is ... more info

Perez Hilton — Is this only a preview of the stormy weather ahead for Rihanna's North American tour with Ke$ha??? Because rapper Nicki Minaj has announced that she's dropping out of the tour! We told you we smelled disaster! "Barbz I'm sorry 2 say I will not be g... more info

VH1 News — Young Money rapper Nicki Minaj tweeted on Wednesday that she will not be going on tour with Rihanna and Ke$ha this summer, as had been announced earlier this week. more info

Idolator — Did you hear? :: Ke$ha unveiled the glitter-gel artwork for her third single, “Your Love Is My Drug,” which looks like she made it her summer camp arts-and-crafts class. [Just Jared] :: Check out a preliminary list of the Best Songs of 2010 so fa... more info

MTV.com News — 'I've decided 2 use that time 4 the completion of my album,' Minaj tweets.By James Dinh Nicki Minaj Photo: Bryan Bedder/ Getty Images Just days after it was announced that Nicki Minaj would be joining Ke$ha as an opening act for Rihanna's L... more info

411 Mania — We celebrate with pics! more info