On Thursday, I shared with you the secret of how you can get Sienna Miller's golden highlights at home based on the look she wore earlier this month at the 2010 Costume Institute Gala. Earlier this year, Sienna's hair was colored with an ombré effect, with the lightest shades of blond cascading down to the ends. And most recently, the British actress was spotted in London with Jude Law debuting a newly lowlighted style with bangs. Sienna's always on top of the hottest trends, but do you think her latest look is perfectly of-the-moment — or not?