"Every little girl says 'I want to be like Mom when I grow up, but I actually really do want to be just like my mom," Ava Sambora, 15, (who landed a part in a new Judd Apatow film) tells PEOPLE of following in Locklear's acting and modeling footsteps. Here, the actress and her rising star keep close company at the world premiere of The Twilight Saga: Breaking Dawn – Part 1 in 2011.