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Emily Blunt, Reese Witherspoon, Olivia Wilde, Kate Hudson, Kate Beckinsale, Amy Adams

Getty Images; WireImage

At LACMA's star-studded Art and Film Gala honoring Clint Eastwood in Los Angeles this weekend, there was certainly no lack of glamour!

From Reese Witherspoon to Kate Hudson to Amy Adams, Hollywood's A-list actresses came with their fashion A-game on!

So which star looked the best of the bunch?

Emily Blunt not only looked gorgeous in a sparkling black Jenny Packham gown, the actress also debuted a newly darkened and shorn shoulder-length bob! To top it off, the British beauty sported a rarely seen but totally gorgeous grin. Too cute!

Also in black was Mrs. Jim Toth. Reese went for a short and sassy Cushnie et Ochs single-shoulder dress with black Jimmy Choo ankle-strap heels and a top knot hairdo. Van Cleef & Arpels bling completed her look.

Meanwhile, House's Olivia Wilde got tongues wagging in a look-at-me red gown by Gucci that showed off sexy cleavage. The fashionista paired it with a black Rene Caovilla clutch, swingy ponytail and supersmoky eyes for a 

New mama of two Kate returned to the red carpet after a maternity break, and she's going for the gold in a strapless metallic Gucci frock, bronze Louboutins and her signature California girl loose waves. Welcome back, babe!

PHOTOS: Fashion Spotlight: Kate Hudson

Another KateBeckinsale, natch—also looked spectactular in Gucci. She wore a white strapless gown with a gold and black embroidered belt, matching gold clutch, topped with a glossy tresses.

And last but not least, Amy Adams was ethereal in a blush Gucci gown with gold beading and asymmetrical straps. The redheaded beauty skipped the accessories and wore her hair long and loose.