For all their contentious screaming matches and dramatic girl fights, Kristin Cavallari and nemesis Audrina Patridge seemingly reached a single, harmonious decision during Tuesday night's (December 1) "Hills" finale — to kiss bad boy hairdresser Justin Bobby goodbye.

Sitting in lounge chairs outside Kristin's Malibu beach house, Justin Bobby confessed his feelings for the blond beauty. "I have that attraction with you. I have that feeling towards you," he admitted, even suggesting that Kristin stay with him while house-hunting.

"A big part of me wants to be with you and give it a shot," she responded. "But I feel like maybe we should just cool it off. I don't want to be serious with anybody. I don't want a boyfriend."

Meanwhile, Audrina was planning her own confrontation with Justin, telling friend Lo, "I feel like I have to meet him one last time. I don't want to go to a sit-down dinner. I just want to meet and then go our separate ways." So on another beach, overlooking the sunset, Audrina finally got closure. "I feel like this is the last conversation we're ever going to have," she told him. Warning him that his inability to love may leave him an old, lonely man, Audrina ultimately left wishing him well.

Perhaps Audrina's admonition was just the encouragement he needed, as Justin jetted back to Kristin's house to make one last plea for their relationship. "I can't ignore the fact that something is here," Kristin agreed. "I think that if you and I give this a shot, we really have to give this 100 percent." Justin agreed, but was unsurprisingly a bit wary to commit to the title of boyfriend. "My big issue is obviously commitment. I know to run," he said.

Another couple facing an uncertain future is Brody Jenner and girlfriend Jayde. While at Taylor's (otherwise known as Sleazy T) engagement party, Jayde pressured Brody to take their relationship to the next level. "I'm 100 percent not ready to get married," Brody told his friends, and by episode's end it looked as though instead of taking the next step he was ready to dump his Playmate girlfriend. "I think I may still have feelings for Kristin," he revealed to Taylor and friend Frankie.

After tying the knot in last season's finale, Heidi Montag and Spencer Pratt spent the majority of this season fighting about whether to have children, with Spencer visiting a urologist to learn more about a vasectomy while Heidi contemplated secretly quitting birth control. In last week's episode, Spencer became increasingly nervous that Heidi was indeed pregnant, having found a used pregnancy test in the trash. Heidi revealed that she is not pregnant, but perhaps the bigger revelation came from Spencer, who admitted that he might one day want to have children.

"You know I've really been thinking about it," he began. "I used to say all my life, since we were 16, 'I'm never getting married.' So a 100 percent, 'I'm not having a baby' talk, I'm not sure how much juice that has. When we're both ready, we'll have a baby."

Will Kristin and Justin Bobby last? Was that really the last time Audrina and Justin Bobby will ever speak? Will Brody actually break up with Jayde? And will Heidi and Spencer ever have a little Pratt? Stay tuned.