Original: Cruel Intentions (1999), a modern-day retelling of Les Liaisons dangereuses featured a kiss between Gellar and co-star Selma Blair that won the two the "Best Kiss" award at the 2000 MTV Movie Awards.
Simplified: The movie had a lesbian kiss between Gellar and co-star Selma Blair that won the "Best Kiss" award at the 2000 MTV Movie Awards.