Audrina tweeted: "At photoshoot for 6th season of the hill's!! Its a gorgeous day!!! We are shooting by the pool and I'm so tempted to go swimming"
Kristin chimed in
"Getting touchups with @officialaudrina woohoo havin a great shoot"
CarleneKMakeup: tweeted "@KristinCav @JackKetsoyan, Marcus and Me today at the promo shoot for The Hills!!"
Kristin added: "Going to bed...have to be up at 5:45 to shoot The Hills promo in front of a green screen on a harness on..woot woot!!! Gonna be fun!!"