Britney Swapped Dresses Inside Club

9/2/2007 12:55 PM PDT BY TMZ STAFF
The picture on the left is Spears and a friend at the LAX opening party in Vegas on Friday night. After performing her hosting duties, Britney and her crew retreated to an inner VIP lounge, Noir Bar, where she later emerged -- after swapping dresses with her friend!
Britney Spears
Britney decided to keep her hat, possibly because her weave was connected to it!