Naomi Watts embraced Liev Schreiber during a family vacation in St.-Tropez yesterday. The couple kissed in the sun after hitting the beach with their sons, Sasha and Kai. Naomi met up with her boys while on a break from working on her latest project. Naomi's been in character as Princess Diana since the beginning of the month and has already filmed a few memorable scenes as the late royal. Naomi was caught shooting a PDA with her costar Cas Anvar on a boat as they re-created a getaway Diana took with Dodi Fayed. She was also spotted wearing a black cocktail dress for another setup. The movie, which is due out next year, underwent a title change from Caught in Flight to Diana.