The couple sync up for an appearance at the Deauville Film Festival in France. Plus: Michelle & Matilda, Jessica Simpson and more

PUT ON A HAPPY FACE

After an amicable split with Heath Ledger, Michelle Williams spends her Labor Day in Brooklyn, N.Y., with daughter Matilda, 23 months. The couple, who recently broke up after three years together, "did what they could to make it work," a source tells PEOPLE.