Miley Cyrus walks on the red carpet with boyfriend/co-star Liam Hemsworth at the premiere of "The Last Song". The teen actress-singer opts for sophisticated black in a leather toga dress from Thomas Wylde with an embellished shoulder detail and teams her look with black pumps.

Style tip: Black but definitely not boring: Follow Cyrus' technique and pick a little black dress with a twist -- try a one-shoulder LBD or an asymmetrical hemline.

Demi Moore arrives at the "Valentine's Day" L.A. premiere to support her hubby Ashton Kutcher's new film, looking all sweet and demure in a white strapless frock from Chanel Couture Spring 2010.

Demi Moore, who attends the L.A. premiere of "Spread" with partner Ashton Kutcher, looks mega-sensational in a lavender blue draped creation from Louis Vuitton.

Style tip: Forget basic black and make a statement at evening functions by opting for a glamorous stand-out hue -- like Moore's periwinkle ensemble.

Black may be safe, but definitely not boring on a dress this beautiful: "Vicky Cristina" star Penelope Cruz vamps up the show in a curve-accentuating black halter low-back gown by Azzedine Alaia.

Amy Adams chooses a sophisticated strapless plum Giambattista Valli gown featuring a large rosette detail for the SAG Awards.