ALLI081907_03.jpgALLI081907_30.jpgAlli Sims ALLI081907_01.jpgIt looks like Alli Sims - Britney's assistant slash BFF - was certainly having a good time this weekend... at Paris' beach party! Alli partied with the heiress and co. at Paris' Malibu rental yesterday.

You have to wonder what their conversation was about -- there are plenty of topics: puppies, babies... or maybe they just talked about the weather. Or maybe Alli got some advice from Paris about making a hit album?