Leave it to Beaver

11/29/2006 3:39 PM PST BY TMZ STAFF
Britney Spears' party life has spiraled out of control over the last few weeks since she dumped K-Fed, and we have the photos to prove it. From all-nighters with Paris to her pantyless pic parade -- we've got the shots.

Seems like Brit wants to keep your jaw on the floor ... meanwhile, feast your eyes on these.