' They were very touchy-feely and at one point were full-on kissing! The actor – who plays vampire Eric Northman in the hit HBO show - has been keeping people guessing as to who exactly is his current squeeze.
He was spotted with Tarzan co-star Margot Robbie, 24, bar hopping during the Sundance Film Festival in Utah last month so is obviously keeping his options open.
Alex also dated actress Kate Bosworth for two years but the pair split in July 2011.
The actor, who is currently dating British model Alexa Chung, moved to England after a 15-month stint with the Swedish National Service (because he "wanted the challenge") at the age of 21, and ended up in the West Yorkshire city.
We both liked Leeds United FC so we thought, let's go there," said Alexander."We went there and studied, but it was basically just hanging out and having fun."It was kind of scary.