Our hearts are broken! It looks like Nina Dobrev's and Ian Somerhalder's undeniable on-screen chemistry in their hit show Vampire Diaries has moved off-screen into reality! (Wail)

Even though Nina has denied rumours that she was dating any of her co-stars, snaps of the twosome walking the streets of Paris – with loads of PDA – have confirmed that the co-stars are definitely a couple.

Ian took to his Twitter account (via Justjared.com) to relay his romantic vacation, saying: "Just got up, first day in Paris with no work must go play a bit, it’s healthy :) Thank you for the warm welcome everyone here, it’s really amazing."

Sigh. What a hot couple!