A perfectly tanned Miller hit the red carpet at the 18th annual Palm Springs International Film Festival
in a sexy yet sophisticated vintage dress from Ossie Clark. The actress kept her look youthful with big gold hoops and bangles, and a studded clutch.
BUY A DRESS LIKE SIENNA'S
Edressme black gown, $295; at edressme.com
See In Style's Katrina Szish discuss the best gowns of the year.