Kristin Cavallari is kissing and telling!

During the premiere episode of her new E! series Honestly Cavallari: The Headline Tour on Wednesday (June 4), the 38-year-old reality star’s BFF Justin Anderson revealed that Kristin once hooked up with Glen Powell!

The revelation came up during Kristin‘s Let’s Be Honest podcast tour show in Atlanta where she took questions from fans and one asked about her love life.

Keep reading to find out more…“It’s been a lot with my kids in the last year,” Kristin answered. “I now have them a lot more than I did, so dating hasn’t been the priority. In nine years when my kids are off at college, I’m gonna be all over the world with all the guys doing all the things.”

After she shared her answer, Justin chimed in and spilled her brief tryst with the 36-year-old Twisters actor.

“She recently went on a date with—she’s gonna be so mad at me actually,” Justin said, “with Glen Powell! And I wanted it to happen so badly! Top Gun, b-tch!”

Kristin was extremely embarrassed by the revelation, but in a flashback, she and Justin shared more details about her hookup with Glen.

“We were partying in Greece, and then Glen just came up,” Justin recalled before Kristin interrupted, “Literally ran into me.”

“And then you guys had a really fun night together,” Justin continued, before Kristin clarified, “I never f–ked him. I’m just putting that out there.”

Justin then added, “You guys dry humped though.”

“Yeah, we did,” Kristin said with a laugh.

Back at the live show, Kristin made it very clear that she had no intentions at publicly revealing her hookup with Glen.

“Okay, I have to go on record,” Kristin told her audience. “When this comes out, I had nothing to f–king do with it!”

If you missed it, Kristin addressed all the rumors that she once dated this Marvel star.