Dominic was also enjoying the rays with fellow actor Benjamin Walker on his sun lounger

Mystery lover: It is currently not known who the woman is but they appear to be close

He seemed engrossed as she sat on his lap and he affectionately locked lips with her in return.
Dominic was later seen looking relaxed as he lapped up the rays while he wore a pair of blue swim shorts and she affectionately looked on at him.
It is unknown who the mystery lady is and requests for comment from his reps have so far not been returned to the Mail Online.

Back off the market? Cooper was last rumoured to be rekindling his romance with Amanda Seyfried two months ago but now appears to have a new love

Relaxing: Dominic was also enjoying the rays with fellow actor Benjamin Walker on his sun lounger

He was last in a relationship with his Mamma Mia! co-star Amanda Seyfried, who he started dating in 2008.
But they split in 2010 when Dominic allegedly become romantically involved with his stage co-star,  Ethiopian-born actress Ruth Negga, 30.