Age: 28

Hometown: Hampshire, England

Notable Gig(s): Burberry Serpentine Summer Party in London, June 2011; Chanel store opening in NYC, September 2010 

Sometimes celebrity DJs don't actually DJ. Shocker, right? Take British TV personality/model Alexa Chung, for example. "I don't really mix," she confessed to Jimmy Fallon. "I just press play and then make it look like I'm very busy." There's no shame in her DJ game, but we can't knock the hustle.