Lily Allen Proves She's No Britney

12/11/2008 3:30 PM PST BY TMZ STAFF
She wears underwear! The 23-year-old British popwreck left a Christmas party in London last night with her present almost completely unwrapped.

Either her dress has come undone at the seams or the designer of Lily's "flashy" frock is as drunk as she (often) is.