"Once Upon A Prom" Premieres

MTV will shadow country music star Taylor Swift as she attends her Senior Prom for the series Once Upon A Prom, the network announced on Wednesday. Taylor’s prom documentary airs June 21 at 3:00 p.m. ET/PT. T.S , eighteen, will also serve as guest host of MTV TRL next week.

In 2008, Swift made her acting debut in Brad Paisley's music video "Online". In that same year Swift filmed a documentary for MTV entitled MTV's Once Upon a Prom and a documentary with Def Leppard for CMT entitled CMT Crossroads, which was premiered on November 7, 2008, drew more than 4.5 million viewers for its four initial airings.