You could win a trip for two to see Katy Perry in New Orleans, Louisiana!

Katy's 'Prismatic World Tour' will stop in the Big Easy in October. The winner and a guest will fly there and back free, have hotel accommodations, and $500 spending cash in addition to their tickets.

So we'd like to know... what's your favorite Katy Perry Song? Listed are Katy's nine #1 hits. You can also vote 'other' and write in your favorite if it's not there. Then click the button at the bottom of the page to sign up for the trip!