The mystery woman has been identified.

According to New York Post sources, the blonde on Jim Carrey's arm over the last few weeks is named Anastasia Vitkina. She's a Russian student in New York and insiders confirm she and the 49-year old actor are quite "hot and heavy" these days.

Posted in: Jim Carrey

The Miami Heat aren't exactly trying to play down their star power or title expectations with their 2011-12 intro video, set to "All of the Lights" by Kanye West.

Debuting tonight before the Heat's 115-107 win over the Celtics, the video shows Dwyane Wade, Chris Bosh, LeBron James & Co. in all their grandiosity.

Posted in: Sports

Welcome back to the Tournament of THG, where fans vote on the most popular star of 2011! The concept is simple: Pick your favorite of the two stars in each poll. Done.

The last round begins tomorrow, so this is your last chance to cast a virtual ballot in the Final Four. You've already narrowed the field to a quartet of worthy celebs.

Posted in: Demi Lovato

Through numerous drunk driving arrests, sex tapes, bar fights and, well, the existence of Courtney Stodden, it's easy to forget that celebrities actually do a lot of good.

And the organization DoSomething.org wants to remind people of that: it has released a list of the top 20 most charitable stars in 2011, with Lady Gaga leading the way. This singer is almost as well known for her causes - from her support of gay rights to her fight against AIDS and poverty - as she is for her string of number-one hits.

Posted in: Lady Gaga

Giuliana Rancic is back in front of the camera at E! News just a few weeks after undergoing a successful double mastectomy. Fans, coworkers and friends rejoice!

"It feels great to be back at work," Rancic, who is battling breast cancer, said. "I wasn't sure I was going to return to E! News this week or after the new year."

Posted in: Giuliana Rancic

The UK's (and THG's) favoritest couple Prince William and Kate Middleton will be surrounded by loved ones when they ring in their first year as newlyweds.

According to reports, William and Kate, both 29, will travel to Aberdeen, Scotland, and will stay at Birkhall, a 53,000-acre estate belonging to William's dad.

Posted in: Prince William

Acknowledging a few mistakes made on the first season of The X Factor - too much judge bickering, overly involved production numbers - Simon Cowell told People Magazine this week he'll evaluate all aspect of the show for season two and that 2012 will be a "bloodbath."

We assume the producer was talking about the on-air competition, but might he also have been referring to backstage changes on the way?

Posted in: Nicole Scherzinger