Mischa Barton Slips Into Pink Swimsuit, PDAs with New Beau Sebastian Knapp (PHOTOS)
Mischa Barton was spotted getting hot and heavy with beau Sebastian Knapp on the beaches of Formentera, Spain on Friday.
Sporting a hot pink swimsuit, the 26-year-old ventured out into the water solo before packing on serious PDA with Knapp.
So who is Barton's new guy?
Knapp is a London-based actor who's appeared in films such as 28 Days Later and One Point O.
The couple reportedly started dating just one month ago, and recently went public after been seen clubbing in London.
Flip through the gallery -- above -- to see the new couple's vacation photos.