Brit replied: “Tempting,” prompting Madonna to tease, “Are you gonna make me work for this?”
“Why of course!” responded Spears.
We’d be up for seeing those two ladies lock lips again — but these aren’t the only two gals who’ve made headlines with same-sex smooches. From Sandra Bullock to Mila Kunis, look back at real-life celebrity girl-on-girl kisses.
Relive Britney and Madonna’s famous kiss in the video below. (See the kiss at 3:50.)