It's not entirely clear after last night's Hills episode whether Audrina is happy to be chillin' with Heidi again. We know LC thinks it smells bad. And Heidi, well Heidi's a pig in poo now that she's got another gf to hang with when she and Spencer are on the fritz. "It's such a good comforting feeling to rekindle friendships," Heidi told me yesterday after her appearance on TRL. "You have a chemistry between certain friends that you don't have with others, and [Audrina and I] have always been very comfortable with each other. Besides, we were friends first. I actually introduced Lauren and Audrina. Audrina was my best friend for so long and then she moved in with Lauren. They didn't even know each other when they became roommates."