amFAR's Inspiration Gala: Red Carpet Roundup

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Hollywood loves a good charity ball: a reason to dress up and donate all wrapped up in one glitzy affair.

An A-list crowd took last night's amfAR Inspiration Gala in Los Angeles as a cue for stunning red carpet fashion, with everyone from Kate Hudson to Katy Perry pulling out the style stops.

Perry, who performed as well as auctioned off a signed guitar, went for bohemian-chic in a taupe, rose and ivory beaded Naeem Khan Spring 2012 gown.

Hosted by funny girl Chelsea Handler, other celebs included Kate Hudson in a red hot Prabal Gurung Resort 2013 gown, SJP in a vintage Chanel jumpsuit, and Alessandra Ambrosio in a black embroidered lace gown by Zuhair Murad, as well as Octavia Spencer, Kristin Davis, Rumer Willis and Rose McGowan.

Click through the gallery above to see the stars who came out for a night of fashion and philanthropy.