A slew of stylish stars stepped out for various events this week while proving that the LBD is still one of the hottest summer red-carpet staples. We narrowed it down to three beauties who totally wowed us with their sexy ensembles -- but only one can be at the top of the best dressed list. Vote for the look you loved most!

Amber Heard arrived at the NBC 2011 TCA Summer Press Tour in L.A. on Monday in a backless black dress by Honor and champagne Brian Atwood 'Marcella' pumps -- plus flawless skin and makeup to boot.

PHOTOS: Stars in flashy frocks

For her performance in NYC on Thursday, Ciara flaunted her amazing abs in a sleek, Christian Cota cut-out dress, which she paired with black Christian Louboutin platform pumps.

VIDEO: Behind the scenes at Ciara's swimsuit shoot

Gossip Girl actress Kristen Bell wore a Versus LBD that featured a sexy, sheer, corset top and an A-line skirt, which she accented with black satin high heels. Although she's the third star to step out in the Versace-label design, she put her own unique twist on it.

PHOTOS: Stars rocking lingerie-inspired getups

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