Sexiest Celebrity Red-Carpet Looks of 2011

With all the award shows, movie premieres, and fashion events that occurred this year, it was only natural that the glitterati would bring out the big guns. There were countless hot ensembles that graced the red carpet this year — stylish stars channeled a mix of old Hollywood glamour and '80s video vixen in bright, bold hues, leather minis, plunging necklines, backless gowns, and thigh-high slits, proving that even the tiniest sliver of skin is enough to set the red carpet on fire. We've rounded up 50 of the sexiest red-carpet looks of 2011 — click through to see them all now!