Lauren Conrad, Audrina Patridge, Whitney Port and Heidi Montag from \"The Hills.\"M. Tran / FilmMagicThe addictive "Laguna Beach" spinoff, which ran from 2006 to 2010, initially chronicled the lives of Conrad and pals Heidi Montag, Audrina Patridge and Whitney Port, a quartet of 20-somethings with enviable teeth, glamorous career aspirations and questionable taste in men. Later seasons saw the departure of Conrad and introduction of "Laguna" alum Kristen Cavallari, among other casting changes.

You are watching: That was then this is now the hills

We"ll admit the special made us pretty nostalgic (*sheds mascara tear*) — here are seven tidbits we learned from Conrad.

1. Her seemingly chill parents weren"t shocked by any of her antics on the show.

"If you"re gonna do reality television, tell your parents stuff, because they‘re going to find out," Conrad advised. Her dad, Jim, added, "We have a pretty open relationship with Lauren anyway and we"re not judgmental and we don"t tell her what to do and what not to do. We didn"t want her to be afraid to tell us anything, really.”

2. Confrontation wasn"t forced, but it was "encouraged."

"Typically if you have a fight with your friend, you don’t pick up your phone for a few weeks," Conrad explained. "But when you have a scene scheduled with them two days later, you have to talk about it.” She later added, “I think the difference between fighting with Heidi and fighting with some of the other girls is that Heidi was my best friend."

Lauren Conrad is coming back to MTV for \"The Hills: That Was Then, This Is Now\" 10th Anniversary SpecialMTV3. Producers had an eerie talent for predicting the cast"s behavior.

5. Conrad is grateful "The Hills" existed before social media as we now know it.

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“Thank God that back then it was just personal encounters in the comments section. This was before anyone had social media. There was no Twitter, there was no Instagram, there was no ‘everybody’s got an opinion and wants you to hear it.’ It was just a very small thing. And even that was a lot. So we couldn’t do it now.”

Lauren Conrad is coming back to MTV for \"The Hills: That Was Then, This Is Now\" 10th Anniversary SpecialMTV6. Conrad’s husband, William Tell, has never seen the show.

“We were in a hotel somewhere and I was getting ready so he was flipping channels and was like, ‘Oh, it’s you!’ Of all scenes for him to pick, it was us in a club. William was like ‘nope’ and just changed the channel, like ‘Don’t want to know that you!’”