SPLIT!

Arian Grenier and Isabel Lucas have called it quits.

Isabel has been spending much of her time with Shia LaBeouf and People.com reports that the "pair broke up about three weeks ago, right after the accident that left LaBeouf with a crushed hand. "It wasn't working out," says a source. "Adrian saw her with Shia and that was kind of it – the crash, their hanging out. He obviously didn't appreciate it."

INTERESTING BIT OF INFO

The mystery woman who was with Shia LaBeouf during his drunken crash in West Hollywood was Isabel Lucas. She was in the passenger seat.

She is Adrian Grenier’s girlfriend. Hmmmm.... weird.

LEIGHTON GETS ANOTHER ROLE!

Gossip Girl's Leighton Meester will be on HBO's Entourage.

Here she is filming a scene with Adrian Grenier in Beverly Hills yesterday!

LINDSAY GETS A NEW ENTOURAGE!

Leaveumalohan.com can exclusively report that Lindsay Lohan joined Entourage star Adrian Grenier for a night out Thursday evening. The sexy duo also hung out last Friday at a dinner party held at Adrian's NYC apartment.

Our inside sources spotted LL and Adrian in Manhattan's lower east side among friends but said they definitely appear to be dating!!!