Addison Rae puts her cleavage front and center in a silky black gown at amfAR Gala in Los Angeles

Alessandra Ambrosio, Paris Jackson, Camila Mendes and Jenna Dewan at amfAR Gala in Los Angeles

Lori Harvey strikes a pose wearing a gorgeous lime green dress at the amfAR Gala in Los Angeles

Katharine McPhee cuts a chic figure as she exits a vehicle during Los Angeles errand run