Joel McHale makes us all laugh our butts off in the new NBC comedy 'Community'. It's got one of the best ensemble casts seen on television in recent memory, including Ken Jeong and the legendary Chevy Chase, and all signs point to a very long run. I threw myself in front of...I mean, grabbed a few moments with McHale before the recent US Weekly Hot Hollywood party, where he was being honored as "Comic of the Year". I happened to mention that I'm a big fan of sci-fi, which may explain his first answer. He gives a shout out to 'Stargate Universe' star Robert Carlisle, teases me about sci-fi conventions, talks about the show and his upcoming film, 'Thor 2'...yes, he's kidding.

Unhappy that Perez Hilton made fun of her 1-year-old nephew on his blog, Jessica Simpson took to her Twitter to yell at the celebrity gossiper.

"Does perez hilton..whatever his name really is..have no heart at all?Don't ever attack my family again.Sad to know u hate so deeply.Sad 4 U," the singer-actress tweeted.

We know you can't keep track of every celebrity Twitter, so we're cutting through the social media jungle to give you the best celebrity tweets of the day. See what celebrities on Twitter like Peter Facinelli, Mya and Adam Lambert are doing in 140 characters or less.

Robin Thicke and his wife, actress Paula Patton, are expecting their first child in May, but the couple already knows what they will call their son or daughter.

"We like Julian if it's a boy and Isabella if it's a girl," the singer told PEOPLE.

In 'For Your Entertainment,' Adam Lambert asks "can you handle what I'm about to do?" Viewers who caught the 'American Idol' singer's sexually charged AMAs performance may now be answering: "maybe, not."

In Sunday night's performance, Lambert gallivanted around the sprawling stage, mingling with a wide-ranging cast of backup dancers. He did it all: grabbed a woman's crotch, dragged another female dancer around by her leg, made out with an androgynous keyboardist and -- perhaps most shockingly -- simulated a certain sex act with a male dancer. Watch:

Exclusive: Just how good was 'Glee''s version of the Journey classic 'Don't Stop Believin''? That was the question that castmember Corey Monteith asked Popeater last week, wondering if Journey lead-singer Steve Perry felt that they "crapped" on the iconic anthem. 'Glee' asked and PopEater answered, tracking down Perry even as he recovered from a nasty flu ("I don't think it was the pig thing. But it was definitely bad," he says.) Perry's verdict on the "Glee" version? Find Out After the Jump!

The Journey of 'Don't Stop Believin'''

'Glee'		Original		'Sopranos'

Between Rihanna and Lady Gaga's performance outfits, it is difficult to say who shocked us more during theAmerican Music Awards. Their skin-tight ensembles left little to the imagination. Rihanna performed in a futuristic white catsuit with white shoulder pads during 'Wait Your Turn,' which marked her first U.S. performance since February.

Gaga continued to outdo herself as she danced on stage in a nude bodysuit, bandages and skeleton bones attached to her torso during her performance of 'Bad Romance' and 'Speechless.'