Nicole Richie. Photos: Kevin Mazur/WireImage | Michael Buckner/WireImage

Uptown: "Alexander McQueen: Savage Beauty" Costume Institute Gala
Look: The 29-year-old socialite and House of Harlow designer channels Old Hollywood glamour in cascading blond curls, gray smoky eye makeup and ruby red lipstick.

Downtown: Ella Moss 10 Year Anniversary Celebration
Look: Richie rocks a pretty summer look that starts with a French braid, black mascara atop her lashes and hot pink pout.