Ke$ha No Pants? No Problem

1/14/2010 2:09 PM PST BY TMZ STAFF
Ripping a fashion note from GaGa, "Tik Tok" singer Ke$ha rolled around NYC last night in a pair of bedazzled booty shorts.

The new pop tart was surrounded by little girls who love her song about gargling with Jack Daniels and hooking up with guys who look like Mick Jagger -- but we're guessing her fans have no idea who that even is.