1 of 9
“You Know What You Did”
The third season of The Hills kicked off with a quote for the ages. Lauren Conrad confronted Heidi Montag at Les Deux after rumors surfaced of a sex tape scandal concerning the Laguna Beach alum. After some serious back and forth, Conrad finally ended the screaming match with Montag, telling her frenemy simply, "You know what you did."
2 of 9
Heidi Returns to Colorado
Heidi returned home to Colorado in the sixth season premiere, shocking viewers and her family when she revealed her new look. The reality star reportedly underwent 10 different plastic surgery procedures in the midst of a tough time in her personal life.
3 of 9
Lauren’s Mascara Tear
The crying GIF to end all crying GIFs, LC shed one mascared tear in the show's fourth season. The emotional moment went down as the star tried to reconcile her rocky relationship with Audrina Patridge.
4 of 9
Spencer and Heidi’s Wedding
The Hills wrapped its fourth season with wedding bells: Fans may have not predicted the two making it down the aisle, but Spencer and Heidi beat the odds, exchanging vows in a glam ceremony.
5 of 9
"Can I Call You JustinBobby?"
With two names and one beanie, JustinBobby — aka Justin Brescia — cemented his place in The Hills' history. His nickname became permanent when Lo Bosworth met Audrina's suitor and asked for the honor of calling him "JustinBobby."
6 of 9
Whitney Trips on TV
It was the fall heard 'round the nation. Whitney Port got her chance to be on Good Morning America in The Hills' second season, but her moment modeling Oscars fashion didn't quite go as planned when she tripped down the stairs.
7 of 9
Paris or Jason?
In the height of her romance with Jason, Lauren is faced with one impossible decision: staying in California to spend the summer with her new love or going to Paris to chase her dreams. We all know Lauren soon became the girl who didn't go to Paris.
8 of 9
“I Want to Forgive You and I Want to Forget You”
The queen of mid-fight one-liners, LC continued her streak in the show's third season. In a confrontation with Heidi, the reality star makes it clear she has no intention of being friends again.
9 of 9
The Final Scene
So what was real? Just to leave viewers on juicy cliffhanger, even in the series finale, the show ended with one ambiguous scene: a camera crew was shown as a set was revealed, offering little information to just how much was scripted.