It looks like Elizabeth Hurley likes to kiss and tell! While making a recent stop by Watch What Happens Live With Andy Cohen on Monday, December 9, the gorgeous actress opened up about her onscreen smooches. During the chat, she revealed who reigns supreme in the lip-locking department in Hollywood.

As the 54-year-old beauty began recalling her former movie roles in hit films like BedazzledAustin Powers and more, Liz couldn’t help but divulge who she thinks was her most memorable onscreen kiss. “Best? So many!” she joked. “Maybe Matthew McConaughey. It was a movie called EDtv, which was by Ron Howard. We did a lot of kissing in it.”

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While Liz gushed over the 50-year-old hunk’s romantic skills, she also called out her worst onscreen smooch with “a German actor I did a movie with,” the Brit told host Andy Cohen. “We hated each other. We had to have sort of a sexy scene and we had to do a lot of snogging. I didn’t like it. Horrible.”

Elsewhere on WWHL, Liz also opened up about playing Queen Helena on The Royals, which aired its fourth and final season last year. She expressed her sadness and disappointment for the show’s untimely ending.

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“We didn’t expect it to end,” Liz said of the series. “I think everyone thought there’d definitely be a fifth season. So I think the story lines weren’t really finished properly. I think a lot of the fans were upset that they didn’t tie up loose ends. And we were upset too in a way.”

Liz’s starring role in the series comes years after she took a Hollywood hiatus following the birth of her only child, Damian Hurley. At the time, she took a break from the Hollywood limelight after becoming a single mother in 2002. The Gossip Girl actress opened up to Closer Weekly about her decision to ditch the spotlight.

“Looking after my son became my No. 1 task, and it was a joy to have someone else on whom to focus,” Liz explained of welcoming Damian, now 15, with ex-boyfriend Steve Bing. “I was 36 and had been worrying about myself for quite long enough.”

Although the model “stopped doing movies and TV for the first eight years of his life,” Liz told Closer she wouldn’t trade her role as mom even if she could. “I don’t regret it for a moment. I always put him first.”