The two arrived separately back to their apartment hours ago -- Situation has red marks covering his face around his left eye. Ronnie's knuckles were torn up and bleeding.

Details around the fight are still unclear -- but big surprise ... we're told it all began with a blowout between Ronnie and Sammi.

Ryan Seacrest's girlfriend Julianne Hough passionately locked lips with another man in Florida yesterday -- but good news for the "American Idol" host ... it all took place on the set of her new movie.

Julianne and Diego Boneta co-star in the upcoming Tom Cruise flick "Rock of Ages" -- and if it wasn't clear from the manhandling beach photos ... they play a VERY touchy-feely couple.

So far, no word from Seacrest -- but we're guessing ... that's gotta hurt.

Dropping the baby weight isn't easy, but the women of Victoria's Secret have found a way to do it in almost no time at all!

Miranda Kerr, Alessandra Ambrosio, Heidi Klum and more -- see how these women have gone from big bellies to bikini/runway/red carpet ready faster than we thought humanly possible!

Check out which stars are stuck up creek with a paddle... board!

There's a lot of mommies-to-be out there in Hollywood this week -- and we're checking in on all their baby bumps!

Natalie Portman, Selma Blair, Kate Hudson, Jewel and more -- check out all the most recent pics of the expecting stars and their growing bellies!

Can you guess which celebrity snapshot got one hell of a famous fricassee?!

Before this "American Idol" contestant was in the Top 9, she was just another little girl in Wheeling, Illinois. Can you guess who she is?!

Sometimes being a superstar can be a real drag -- see which stars have crossed over to the other side.