The season 6 premiere of "The Hills" airs Tuesday night on MTV... and if you've seen the promos, you know the drama is already heating up!
"Extra" is taking a look back at some of the hottest romances from "The Hills." Check out our gallery and tune in tonight to see if Kristin and Justin Bobby are still trying to work it out!
Hot Hookups on 'The Hills'
Lauren and Jason
Lauren rekindled the flame with ex-beau Jason Wahler in the beginning of “The Hills.” After a tumultuous relationship, the two split for good at the end of season one.
Heidi and Jordan Eubanks
Heidi spent the whole first season dating boyfriend Jordan Eubanks. The couple called it quits at the end of season one. Jordan later told the press that since dating Spencer, Heidi's “done a total 180, and I think it's so sad.”
Kristin and Brody
Before Brody Jenner arrived in “The Hills” in season two, Kristin Cavallari dated the Malibu bad boy. She later said her sex life with Jenner was “vanilla.”
Audrina and Spencer
Spencer wooed Audrina at the beginning of season two, upsetting Heidi when he accompanied her to the opening of Area. Audrina then got over Spencer and the drama he caused with Heidi.
Heidi and Spencer
Heidi and Spencer began dating in the second season of “The Hills.” The couple stayed together through ups and downs, and tied the knot at the end of season five.
Lauren and Brody
LC and Brody began their on-and-off “friends with benefits” relationship in the second season. Things ended abruptly when Brody hooked up with Lauren's friend Jen Bunney.
Brody and Jen Bunney
Lauren threw a birthday bash for her Laguna Beach friend Jen Bunney, who subsequently went home with LC's man Brody. Ouch! The girls had a falling out afterward.
Audrina and Justin Bobby
Audrina was on-and-off with Justin Bobby before “The Hills” began filming. The couple experienced drama throughout seasons 2-5, when they split for good.
Lo and Frankie Delgado
Lauren “Lo” and Frankie hooked up during a crazy night in Las Vegas.
Lauren and Gavin Beasley
Lauren met a model during season three, and agreed to go out with him. She confessed there was “no spark” and went to Brody's house after their date. Gavin later told the press that LC was a “conversation killer.”
Lauren and Doug
Lauren reconnected with her old flame Doug Reinhardt during season four of the show. Doug caused drama by later asking out Stephanie Pratt. He recently broke up with Paris Hilton.
Stephanie and Doug
Stephanie accepted a dinner invitation from Lauren's ex Doug, causing drama in her relationship with Conrad. The girls eventually rekindled their friendship.
Audrina and Corey Bohan
Audrina dated Aussie BMX rider Corey briefly during season four of the show. The exes recently got back together, and are currently dating.
Whitney and Jay Lyon
Whitney Port met bad boy Jay during her trip to NYC to interview with Diane von Furstenberg. The couple dated during season one of “The City.”
Audrina and Brody
Audrina admitted to “having a little crush” on Brody in Hawaii during season five. The two ended up spending the night together, sparking drama with Brody's GF Jayde Nicole.
Spencer and Stacie the Bartender
Spencer's sneaking around with Stacie, a bartender at The Dime, infuriated Heidi and almost broke the two up. Stacie later attended Speidi's wedding.
Brody and Jayde Nicole
Brody began dating Playmate Jayde Nicole after season four of “The Hills.” Nicole is no fan of Audrina, who slept in Brody's bed.
Lauren and Kyle Howard
Since Lauren left “The Hills,” she has been stepping out more frequently with beau Kyle Howard, who was contractually forbidden from appearing on the show.
Kristin and Justin Bobby
Things seemed to be getting serious for Kristin and Audrina's ex, Justin Bobby, but Kristin found it hard to trust the bad boy of "The Hilss" and tried to put their relationship on hold during the season 5 finale.
Justin Bobby wouldn't give up easily and convinced Kristen that he could be trusted.