This is just like that scene in Mean Girls when The Plastics tell Regina, "you can't sit with us!" Well, sorta.

Madeo was basically a ghost town of Lindsay Lohan's past last night - ex-BFF Nicole Richie, ex-fling Stavros Niarchos (with Nicky Hilton), ex-stylist Rachel Zoe and, of course, ex-girlfriend Samantha Ronson! Can you imagine them all in the same restaurant together? I die.

While they didn't sit at the same table, you know they at least said hi to each other! Hopefully this reunion won't push Lindsay over the edge, especially the fact that Nicole and SamRo were hanging out again...

As you may recall, LiLo is oh so jealous of their close friendship. But if she would just clean up her act, everyone could be BFFs again! Right?

We haven't seen Brad Pitt and Angelina Jolie together since January 5, and while breakup rumors are everywhere this week, it seems like the two are spending quality time together and managing to stay out of the spotlight while they do it!

X17online reported yesterday that the couple spent the night together at their Los Feliz home on Sunday, and a source told People that they "actually out to dinner together in Los Angeles when the rumor [that they were splitting] broke ... that's how ridiculous [the split story] is."

Well, the story broke on Saturday when the British weekly News of the World hit newsstands with news of the couple's supposed separation. If Brad and Angelina had really separated, would they spend the whole weekend together?

Though several media outlets (including People) previously wrote that Angelina was headed to NYC for a Vanity Fair shoot over the weekend, a source close to the mag tells X17online.com exclusively Angie was NOT doing any sort of photo shoot for them. We spotted Angelina returning to the couple's Los Feliz home on Sunday, but it appears she had just been out and about in Los Angeles.

So when are they going to make a public appearance together? When we saw them at Cecconi's in late November, everything seemed to be fine, so it seems like a hand holding dinner date is the next step to squash the out of control split stories!

I'm loving Katy Perry even more by the minute!

The pop star - who's engaged to Brit funnyman Russell Brand - was a guest judge on American Idol last night and got into a fight with Kara DioGuardi about a contestant...

Kara liked the guy's singing AND was moved by his touching story. But Katy said to Kara, "This is not a Lifetime movie, sweetheart. You have to have talent!" And later when Kara began to sing Katy's hit song "I Kissed a Girl," Katy cut her off with the following: "Please stop before I throw my Coke in your face!"

So, when an X17 photog saw Ms. Perry going to the gym this afternoon, he asked her if she was seriously about to do it... and Katy responded with "yes!" Damn, we missed a cat fight.

Watch the vid above!



So catty, Katy.

And I'm sure they love her back! Ash Tisdale practiced her balancing moves this afternoon, carrying a tray full of delicious Coffee Bean drinks to her car and not spilling a drop. The girl's a pro!

Sidebar, who knew she was a USC fan?

Seriously? I think Simon Monjack is taking this a little too far...

Brittany Murphy's husband chatted with The Daily Beast about the sudden, tragic death of his actress wife because, well, he just can't stop talking.

Now Simon says that Hollywood studio Warner Bros. "killed her." Why? Because they fired her from the sequel to animated hit Happy Feet and Brittany "was devastated," claims Monjack.

The frustrated husband also explains that the rumors he and Brittany were troublesome on the Puerto Rico set of The Caller are "fantasy." And while Simon Monjack doesn't have a lot of people on his side, Brittany's mom Sharon backs up his claims.

"Simon protected Brittany. That is the role he assumed after they married and it's why a lot of people in Hollywood can't stand him," she says.

But is filing a wrongful death action against Warner Bros. really the smartest thing to do?

Heidi Montag boarded a private jet headed for Crested Butte, Colorado this morning to show her mom what she calls, "the new me."

After ten plastic surgery procedures and eight weeks of rest, The Hills star donned an unnecessary head bandage for the MTV cameras, and flew off to confront her mother, Darlene Egelhoff, who has reportedly said she's upset about the operations and also been reported as saying she wanted a makeover by the same surgeon.

We can only say that this is a sick display of a girl with serious emotional issues and an extremely unhealthy body image and we'll definitely be Tivo'ing this episode!

We're gaga for Ke$ha! Watch out, Lady.

Never heard of her? That better change - Ke$ha made music history this week! The sexy singer's debut album, Animal, is already number one on the Hot 100 and Billboard 200, but it's her single "TiK ToK" that's getting all the attention...

Last week, Lady Gaga's "Bad Romance" made chart history for getting the most weekly plays EVER: 10,859, according to Nielsen BDS.

But now Gaga's been dethroned! This week, "TiK ToK" established a new record of 11,224 plays. Damn! Does this mean Gaga's been replaced for good?

So refreshing to see Ben Affleck on daddy duty!

He and wife Jen Garner took their adorbs daughters Violet and Seraphina to the Brentwood Country Mart earlier today for a little family shopping trip...

Think Jen is excited to see Ben's latest work as director - The Town, starring him and Blake Lively?