Olivia Palermo's Two-Toned Metallic Eye Is Mesmerizing

As she was appointed the UNAIDS National Goodwill Ambassador, Victoria wore her hair up, allowing a few layered pieces to frame her flawless bone structure.

Olivia attended the Nina Ricci show in Paris with golden highlights that perfectly coordinated with her statement necklace.

At the world premiere of her music video "All About You," Hilary wore her hair back in a voluminous ponytail.

At the Hip Hop Caucus Climate Change event, Elle's perfect curls rivaled her flawless skin for attention.

Rosie was seen arriving at the Balenciaga show in Paris wearing no makeup and her hair slicked back.

Nicola attended the Balenciaga show in Paris with smudgy brown eye shadow and radiant skin.

At the Balenciaga show in Paris, Kim's thick, lush lashes made us look twice.

Gaga was spotted in Brussels wearing shimmery shadow and a red lip that corresponded beautifully with her rich blue velvet ensemble.

Kim was seen leaving the Balmain offices in Paris with an almond-shaped nude manicure and matching lip gloss.

At the premiere of The Disappearance of Eleanor Rigby in Spain, Jessica proved that redheads can seriously rock a red lip. Her crimson pout looked especially classic with her Old Hollywood waves.

At the launch of her Von Follies maternity lingerie collection, Dita wore her trademark vintage look, including a bold cat eye and matte porcelain skin.

Sarah attended the New York City Ballet gala with her long sombré locks swept back to reveal shimmery plum shadow that played up her green eyes.

At the NBA 2K15 party, Chrissy wore her hair in long, beachy waves.

Eva looked elegant with dramatic cheekbone contouring and a matte smoky eye on the streets of New York City.

Kerry was seen in New York City with a raspberry-pink pout that made her skin look especially radiant.

Lancome spokesmodel and street style star Caroline de Maigret was seen attending the Anthony Vaccarello show in Paris with long tousled locks and perfect skin.