The pop vixen announced the new album -- her long-awaited follow-up to the 2010 smash "Teenage Dream" -- in classic fashion. She rented a gargantuan gold truck emblazoned with the album details and drove it all over Los Angeles on Monday, as pop peer Adam Lambert excitedly noted.
It's the first stop on what looks to be a tour for the gilded trailer, Perry's first hint at new music after releasing the 3D concert film "Part of Me." "Find the #PRISM semi, take a picture and I'll RT you," she she tweeted. "Don't worry, Los Angeles is just the first stop on the map."