Charlize Theron inadvertently spiced up a recent charity event when she planted a big smooch on another female!

PHOTOS: Charlize Is A Golden Girl

At the Second Annual ONEXONE Fundraiser in San Francisco, the award-winning actress put on a show when she brought an auction winner onstage to redeem her prize: a kiss!

Charlize Opens Up About Nudity

The South African beauty would not be one to shy away from some girl-on-girl affection. She has shared an onscreen kiss with Penelope Cruz and is a vocal support for marriage equality. She has even vowed that she and longtime partner Stuart Townsend would not legally tie the knot until everyone had the right to do so.

• TAGS

• charity
• Charlize Theron
• ONEXONE
• San Francisco
• Stuart Townsend