Charlize Theron, Ciara
Credit: Jeff Kravitz/FilmMagic

Charlize Theron and Ciara brought the glam to the Reach: 24 Portraits by Randall Slavin lecture to benefit the Charlize Theron Africa Outreach Project, held at The Annenberg Space for Photography in Los Angeles. "It's hot, so I thought this dress would be good," Theron said of her peek-a-boo lace Dior design. "I have air conditioning." Click through to see more celebrities at last night's hottest events!