All award season, we've been watching Keira Knightley [1] turn out a lineup of the prettiest, most feminine red carpet dresses, but it appears she saved her best look for the Oscars. The best supporting actress nominee just arrived in a floral-embroidered ethereal gown that made her look like a total goddess. So, is this her loveliest look yet?

And remember to vote in all of our red carpet fashion polls [2]!

Image Source: Getty [3]