Liv in McQueen

Liv Tyler looked stunning in Alexander McQeen's lace-inset dress for last night's appearance on David Letterman. She dropped the thin red belt and accented her signature plump lips in rouge instead.

Actress Liv Tyler

Alexander McQeen dress, Available at Neiman Marcus, $2,450

Alexander McQueen, Square Toe Pumps, $710, Shoes at NET-A-PORTER
Emulate Liv's luscious lips with Dior Kiss lipgloss, $19, enhanced with "Wonder Booster Complex." Christian Dior at Sephora.com