Sienna's Best Looks From Cannes

She may have disappeared from the spotlight for a while to have her baby, but Sienna Miller's style at the Cannes Film Festival has made up for her sartorial absence in a big way. And in a surprising twist, the bohemian fashion iconic seems to have adopted a more mature style, and is now quite possibly the chicest woman in Hollywood.

Miller is one of the jurors (alongside Jake Gyllenhaal), at the 68th annual film festival, and has been in the south of France for the past few days, wowing us with one incredible outfit after another. It's almost impossible to choose a favorite. Between her evening gowns, her elegant airport style, and her casual daytime outfits, the 33-year-old actress has definitely brought her fashion A-game. And she's yet to get it wrong. Though devout fans of her style may miss her fringe, cut offs, and slouchy boots, I have to say I think I prefer the more polished Sienna, and after so many years of being pigeon-holed into one look, it's nice to see her branch out and try different things. So let's take a look at the top 7 looks Sienna's worn so far in Cannes.

1. At The Airport

If only I could step off a plane looking that chic.

2. Juror Dinner

Sienna has been loving her jumpsuits lately, and it's the perfect polished, yet cool and breezy look for a warm day.

3. Photocall

She looked like a modern day Grace Kelly in her Balenciaga dress.

4. Sea of Trees Premiere

Miller was the definition of summer in this silk, kite-inspired Valentino couture gown.

5. Swarovski Party

This plunging LBD was certainly a head-turner.

6. Opening Ceremonies

The British actress was elegant in a midnight blue Lanvin gown.

7. Carol Premiere

Sienna was hauntingly beautiful in this gothic, Victorian-esque black, lace gown.

Images: Getty Images; FutureStylist93/Twitter; worldmcqueen/Twitter