With a number of love interests appearing in the girls' lives over the years, there were only a few who stuck around -- most notable are Spencer Pratt and the infamous Justin Bobby. Justin provided a good amount of buzzed-about moments during his on-off-on-off roller-coaster relationship with Audrina Patridge. And with the [article id="1634661"]final season[/article] of "The Hills" set for premiere on Tuesday, MTV News is counting down the most buzzed-about "Hills" moments, of which Justin Bobby has a few.

He's burped in public, stood Patridge up more times than her friends care to remind her and he's also dated Kristin Cavallari, something Patridge was none too pleased about. But perhaps his most memorable moment was when he met Lauren Conrad and Lo Bosworth for the very first time. The biker came up to the apartment that Audrina shared with the girls, and from there, Bosworth had one of her most shining moments.

After LC said, "His name's Justin, but he, like, wants to change it to Bobby," Lo then took it upon herself to give him the most memorable nickname in the show's history, whether or not Justin Bobby liked it. He later clarified, "Well, my friends call me Bobby -- like, all my friends call me Bobby."

Much to Justin Bobby's dismay the name stuck, and now fans of the show will never refer to him as anything else. "So you don't want us to call you Justin Bobby?" Lo asked him during the episode. "I kind of like Justin Bobby!"

What are some of your favorite "Hills" moments? Let us know in the comments below!

"The Hills: Final Season" premieres Tuesday at 10 p.m. ET/PT followed by "The City" at 10:30 p.m. ET/PT on MTV.