Rachel Bilson: Lou, Lou, Skip To My Lou

Rachel Bilson hangs out with a mystery male while out and about in Beverly Hills, Calif. on Wednesday. She wore her favorite Chloé Aviator 2104 sunglasses but peep her cute blue Giuseppe Zanotti snakeskin flats!

Cashmere Muffler scarf by Coach.

Earlier this week, Rachel wrapped up her two-episode stint as sandwich queen Lou on the hit NBC spy drama show Chuck.

*CHANTS* More Lou! More Lou! More Lou! More Lou! More Lou! More Lou!