MTV.co.uk News — Jay-Z, Coldplay, Kanye West and Beyoncé gave up their New Year’s Eve to perform at a huge party in Las Vegas in front of invited celebrity guests. Coldplay and Jay-Z were each... more info

Starpulse — Kanye West has been targeted by hackers once again - the unfinished music video for his new track Monsters has leaked online. A gory five-minute video, which features Jay-Z, Nicki Minaj, Rick Ross... more info

People.com — John Mayer, Kanye West and Beyoncé were also on hand to perform at the opening of the new Cosmopolitan hotel more info

TMZ — Filed under: Jay-Z, Aziz Ansari, Kanye West, Who'd You Rather? Jay-Z , Aziz Ansari , and Kanye West all partied at Marquee Nightclub at The Cosmopolitan in Las Vegas last night. Question is ... ... more info

411 Mania — X-Factor finalist joins Roc Nation… more info

Perez Hilton — Perhaps, but then again, why would mega-fan will.i.am let her slip through his fingers? According to reports, Jay-Z has signed Cher Lloyd, one of the finalists on this year's X Factor, to his label Roc Nation. No official word has come from either Ja... more info

Starpulse — Rapper Jay-Z is eyeing a collaboration with pal Chris Martin on his next album - insisting he'd "jump at the chance" to work with the rocker again. The chart-topping friends worked on the hip-hop... more info

Perez Hilton — At least on paper! Here's the deal: Pint-sized pop superstar Willow Smith is signed to Jay-Z's record label, Roc Nation. The label, according to documentation, entered into an agreement to rep Willow with Spooky Girl, Inc., Willow's own company. Wel... more info

Yahoo! Music UK — world entertainment news - Rapper Jay-Z is eyeing a collaboration with pal Chris Martin on his next album - insisting he'd "jump at the chance" to work with the rocker again. more info

TMZ — Filed under: Willow Smith, Will Smith, Jada Pinkett Smith, Celebrity Justice, Music Willow Smith knows her place -- she's a daughter/employee of Will Smith . TMZ has obtained documents filed by Roc Nati... more info