Last Night's Look: Hit or Miss?

Vote on this week's styles including Ashlee Simpson, Mariah Carey and more stars! You decide – are they fashionistas or flops?

  • JESSICA ALBA  photo | Jessica Alba

Credit: GHOST/Fame

Updated: Friday May 15, 2009 | 11:45 AM EDT

JESSICA ALBA

The actress goes for a preppy summer look in her crisp white button-down and pleated trouser shorts accessorized with chunky platforms, a blue Ferragamo bag and a statement headband for a day out in Beverly Hills.