TMZ — The mystery man who donated half-a-million bucks to an AIDS charity and brought Alicia Keys , Lady Gaga and a ton of other celebs back to life (on Twitter)  -- has been revealed ... as a BILLIONAIRE. TMZ has learned ... pharmaceutical mogul Stewartâ... more info

Big Apple Music Scene — A whole bunch of celebrities decided to die for a noble cause last week - to raise money for charity. But as it turns out, having millions of Twitter followers does not translate into millions of donations. Celebrities like Lady Gaga, Alicia Keys, E... more info

People.com — Weigh in on the major Grammy nominees before the Feb. 13 ceremony in L.A. more info

Pop Bytes — • Britney Spears and her boyfriend hit the beach for a birthday getaway! PopEater • Susuan Sarandon was spotted with her boy toy Jonathan Bricklin! Celebrity Smack • Kathy Hilton convinced Brook Mueller to get sober? Celebrit... more info

Pop Crunch — Straight-as-an-Arrow media personality Anderson Cooper has found a new drinking buddy in the most unlikeliest of places: Lady Gaga. His 60 Minutes interview with outre sensation won’t air until the night of the 2011 Grammy Awards next February, but... more info

411 Mania — Two meet up in Milan... more info

Perez Hilton — But its a lot sooner than he should have. Several well known celebrities have "killed" themselves off digitally this week as part of the Keep A Child Alive's "Buy Life" initiative. Celebs like Lady Gaga, Kim Kardashian and Ryan Seacrest have fell sil... more info

411 Mania — Could this be her weirdest yet? more info

Perez Hilton — So much hawtness! Anderson Cooper posted this Twitpic of he and Lady GaGa posing together in Milan for his upcoming 60 Minutes interview. We are SO excited for this interview!! We can't get over the FIERCENESS between these two! P.S. CLICK HERE to "... more info

Pop Justice — 'Poison' by Nicole Scherzinger: quite a good song. Here are five artistes we'd like to see release something that sounds a little bit or a really rather a lot like 'Poison' in 2011. Obviously they should all be aiming for a 'Bad Romance' but let's b... more info