One Direction star Harry Styles was reunited with his ex-girlfriend Caroline Flack during his birthday party in London on Thursday night.

The One Direction hunk turned 19 today and he marked the occasion by taking a group friends for a birthday meal, including actor James Corden and Radio breakfast host Nick Grimshaw.

Harry and his pals enjoyed dinner at Mexican restaurant La Bodega Negra in Soho before going on to party at the nearby Groucho Club venue, where he met up with his former girlfriend Caroline Flack where they partied until the early hours.