Duff and 7-month-old Luca stick together in L.A. Plus: Jenna Dewan-Tatum, Brad Pitt, Sarah Jessica Parker and more

LOVE ALWAYS

She did it again! Kristen Stewart plays peek-a-boo while walking The Twilight Saga: Breaking Dawn – Part 2 red carpet on Wednesday with beau Robert Pattinson at the film's London premiere.