A very pregnant Simpson serves as a bridesmaid in San Diego. Plus: William & Harry, Derek & Julianne Hough, Cory Monteith and more

TERMS OF ENDEARMENT

Friendly exes Kate Beckinsale and Michael Sheen (left) celebrate Father's Day in Santa Monica, Calif., on Sunday with their 14-year-old daughter Lily and the actress's current hubby, Len Wiseman.