Macy’s – I’m sure Paris Hilton sees Philadelphia as one of the nine tiers of Hell, but she’s here to promote her new fragrance CanCan at 5 p.m. Buy $55 worth of the vodka-doused-Chihuahua scent and win a chance to meet the claustrophobic celebutante.

The Electric Factory – mtvU presents Mae, Anberlin and Motion City Soundtrack. Show starts at 8:00 p.m. $22.

The Trocadero – They no longer wear colorful robes while performing, but The Polyphonic Spree still rocks out. They’re performing tonight with The O.C. favorites Rooney at the Troc. Show starts at 7:00 p.m. $19.