We’ve seen Lily Allen and Lindsay Lohan hanging out a lot together recently, and it would seem they’re now officially NBFs, as Lindsay joined Lily on stage at her LA concert last night. Lily was in the middle of a cover version of Britney’s Womanizer when Linds walked on (just before the 7-minute mark on our clip), kissed Lily on the head, and then danced around a bit before leaving the stage again. We particularly like that Lily points at Lindsay as she sings the word "womanizer " . Watching this makes us wish we had a pop-star best friend who we could dance with on stage – it's not fair!
Who's that with Lily?