90210 star, AnnaLynne McCord spent her Saturday at Wet Republic at MGM Grand Resort and Casino Las Vegas and naturally, she looked amazing… those abs are to die for. Word! So what was the occasion? Well, it certainly coincides with the rumors that she and Kellan Lutz are back together!

AnnaLynne McCord and Kellan Lutz Officially Split

It was Sara Oriolo’s bachelorette party. This wold be Kellan’s soon to be sister-in-law. She’s engaged to his brother, Brandon!

AnnaLynne was there as more than a guest… she gave a toast:

“Hello everybody, I want to introduce the future Mrs. Lutz. I’m very, very excited about her big day next week. Say congratulations to Sara everybody. Thank you guys so much, have fun, swim, drink, get drunk.”

Yeah, they are so back together. And yes. They make such a hot couple, it’s only right that they stay together.

Photos: WENN