Bright young things partied on Friday night at the Teen Vogue Young Hollywood party. The Hills stars Lauren Conrad and Lo Bosworth partied alongside actress Emma Roberts and Brits Agyness Deyn and Kelly Osbourne. They all went for quite different looks on the red carpet from Emma in high glamour to Agyness looking quite dressed down. Out of these five fab ladies, who do you think deserves to be crowned best dressed?
Image Source: Film Magic