Calista Flockhart

We're counting down the most famous girl-on-girl kisses of all-time. "black swan" costars natalie portman and mila kunis share a kiss in one scene. the "glee" characters of brittany and santana are shown to have a sexual relationship. gina gershon and jennifer tilly kiss in the 1996 film "bound." roseanne gets kissed by mariel hemingway on an episode of "roseanne." susan sarandon and catherine deneuve star in the 1983 film "the hunger." alanis morissette kisses sarah jessica parker in an episode of "sex and the city." megan fox and amanda seyfried kiss in "jennifer's body." calista flockhart and lucy liu kiss in an episode of "ally mcbeal." homer fantasizes about marge kissing lindsay naegle on "the simpsons." geena davis and susan sarandon star in "thelma & louise." alyson hannigan and amber benson kiss in an episode of "buffy: the vampire slayer." characters played by olivia wilde and mischa barton dated on the fox series "the o.c." evan rachel wood and nikki reed kiss in the film "thirteen." courteney cox and jennifer aniston kiss in an episode of the fx series "dirt." sandra bullock kisses scarlett johansson at the 2010 mtv vmas; she kisses meryl street at the 2010 critics' choice awards. neve campbell and denise richards kiss in the film "wild things." dakota fanning and kristen stewart kissed in the film "runaways." selma blair and sarah michelle gellar kiss in the film "cruel intentions." angelina jolie and elizabeth mitchell kiss in the film "gia." madonna kisses both britney spears and christina aguilera at the 2003 mtv video music awards.