First Dibs: Did Jay-Z Join Justin Timberlake On Stage Last Night?

By Meghan O'Keefe

July 13, 2013 / 8:45 AM

Are Kelly Rowland and Paulina Rubio clicking with the other X Factor judges? What's the weirdest musician cameo on film? Is 50 Cent rushing a comeback album?

Jay-Z joined a drunk Justin Timberlake on stage at London's Wireless Festival last night. Timberlake reportedly played all the hits last night (including his new song, "Take Back The Night") and Jay-Z came out for the grand encore. [NME.com]

Kelly Rowland and Paulina Rubio are going to be the new judges on X Factor this fall, and it looks like they're already bonding with Demi Lovato and putting Simon Cowell in his paces. The girls reportedly pranked Cowell and tricked him into eating bulls testicles. [Daily Mail]

What is the craziest musician cameo of all time? Is it Boy George on The A-Team or Justin Bieber on CSI? [Rolling Stone]

50 Cent hasn't put out a full album in nearly four years, but he still isn't in a rush to get it out there. "I want the record to be right," he says. [MTV News]

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[Photo Credit: Getty Images]