Channel your inner pin-up girl for a night on the town, and go for a sultry retro 'do like Jessica Alba's. "This look is well-designed, structured and elegant," said her hairstylist Renato Campora. Campora used a one-inch curling iron to create curls, then brushed through them, causing the ringlets to fall into soft waves. A touch of Frederic Fekkai Advanced Brilliant Glossing Cream ($27; fekkai.com) finished the look, giving it a mirror-like shine.

Try on Jessica Alba's hairstyles now!