Wait, what show is this?
And as if the reunion wasn’t enough, Cavallari, 33, revealed that Montag, 33, and Patridge, 33, will appear on an upcoming episode of her reality showVery Cavallari.
“WHEN THE HILLS AND VERY CAVALLARI COLLIDE!” she captioned the photo of the three women smiling together. “Today with these 2 pretty ladies who will be on an upcoming episode of @verycavallari in a few weeks!”
Cavallari, Montag and Patridge starred together onThe Hillsfor the final two seasons of the show, which aired from 2007- 2010.
Although Cavallari hasn’t been able to participate in the reboot, she’s clearly remained friendly with her former costars, previously telling PEOPLE she wouldn’t trade herHillsexperience “for the world.”
“It got me to where I am today,” she toldPEOPLE Now.
While details around Montag and Patridige’s visit remain unknown, much of the current season ofVery Cavallarihas centered around the reality star’sfalling-out with ex-best friendKelly Henderson.
Kristin Cavallari and Kelly Henderson.Kristin Cavallari/Instagram

During the premiere, the formerLaguna Beachstar revealed she and Henderson hadn’t spoken all summer in the aftermath of the rumor that Henderson and Cavallari’s husbandJay Cutlerwere having an affair. Henderson, a celebrity stylist and glam specialist, wasa major partof seasons 1 and 2, and some fans on social media had begun speculating that something was going on between her and Cutler, 36.
“Kristin and Kelly still haven’t spoken. Kristin is very hurt,” a source told PEOPLE of the drama.
“She thought Kelly was her best friend and Kelly just didn’t want to admit that she was wrong about how she handled the situation. She just disappeared on Kristin and then reappeared when they started filming again,” the source said. “The ball is in Kelly’s corner now.”
Very Cavallariairs Thursdays (9 p.m. ET) on E!
source: people.com