Harry Styles: Burberry Prorsum Fashion Show

Harry Styles flashes his signature smirk as he arrives at the Burberry Prorsum Fashion Show during 2013 London Fashion Week held at Kensington Gardens on Monday (September 16) in London, England.

The 19-year-old One Direction singer sat in the front row where he chatted up Sienna Miller.

PHOTOS: Check out the latest pics of Harry Styles

“How did I get cake on my shoulder? I haven’t even had any cake,” he recently tweeted.

A few days earlier, Harry stopped to take pics with a lucky fan during his night out.

15+ pics inside…