The heartthrob British boy band quickly changed the focus Thursday night, winning three awards and stealing the attention from Rihanna.Lil Wayne accepts the award for best hip-hop video for Hyfrat the MTV Video Music Awards on Thursday, Sept. 6, 2012, in Los Angeles. (Photo by Mark J. Terrill/Invision/AP)We've grown up watching this show and to even be here is an honor, Niall Horan said f