is the premiere episode of the third season of the MTV reality series The Hills , originally airing on August 13, 2007. It is widely considered one of the most iconic moments in reality television history due to its high-stakes drama and the permanent fracturing of the show's core friendship between Lauren Conrad and Heidi Montag. The Conflict
The episode was a massive success, viewed by 3.6 million people during its initial airing. You Know What You DidThe Hills : Season 3 Episo...
The tension reaches a breaking point at a birthday party for Frankie Delgado at the Los Angeles nightclub Les Deux. is the premiere episode of the third season
After Heidi attempts to hand Lauren a letter to reconcile, a screaming match ensues outside the club. Lauren delivers the legendary line, "You know what you did!" . She labels Heidi a "sad, pathetic person" and officially ends their friendship. Cultural Impact and Legacy The tension reaches a breaking point at a