Cher and Kristen Bell's mentor-mentee relationship in Burlesque has gone beyond the big screen in the years since the film's release. Cher, 79, and Bell, 45, costarred in the 2010 musical movie as burlesque lounge owner Tess and performer Nikki, respectively. While their characters formed a close bond on screen, Cher and Bell also developed a friendship off camera. The pair opened up about their dynamic during Cher's appearance on the Monday, January 5, episode of the "Armchair Expert" podcast, hosted by Bell's husband, Dax Shepard. Cher even gave her brutally honest opinion of Shepard, 51, telling Bell that she's "definitely the better half" in their marriage. "Who would be your dream partner for her? Because I know you think she could be better, and I don't disagree," Shepard asked Cher. Kristen Bell Celebrates 12th Anniversary by Sharing Dax Shepard's 'Kill' Vow While Cher couldn't think of anyone for Bell, she did tell Shepard that he seemed "like a good dad" to his and Bell's two daughters: Lincoln, 12, and Delta, 10. Keep scrolling for more revelations about Cher and Bell's friendship: Cher and Kristen Bell 'Got Along So Well' on 'Burlesque' Cher revealed on the podcast that she and Bell "got along so well" while working together on Burlesque. "We were very simpatico, and I respected her a lot. I didn't know who she was, but she was good," she said. Stephen Vaughan /(C)Screen Gems/Courtesy Everett Collection Kristen Bell Reveals She 'Gravitated' to 'Burlesque' Because of Cher Bell said she admired Cher greatly, which is what made her want to join the cast of Burlesque. "I don't know if you want to accept it or not, but that was one of the reasons that I gravitated towards you because I definitely, when I first booked that movie ... I was like, 'Oh, my gosh, I'm going to be in this movie with Cher, and she's an icon.' But your vibe in real life is so grounded," the Veronica Mars alum explained. Kristen Bell Says She Received the Best Advice From Cher Bell also said she has carried a piece of advice from Cher with her throughout her career. Screen Gems/courtesy Everett Collection "People ask me a lot, 'What's the best piece of advice you've ever gotten?' And I say it's from you, because you said to me, 'Honey, if it doesn't matter in five years, it doesn't matter,'" she told Cher. Cher said she learned the advice from her mother and has "used it [her] whole life," just like Bell. Cher Thinks Kristen Bell Could Do Better Than Dax Shepard Cher told Bell her honest thoughts about Shepard, revealing that she thinks her former costar could do better. "The truth is, I trust her. So you must have something that I don't see," Cher bluntly told Shepard. Cher Addresses 40-Year Age Gap With Boyfriend Alexander 'AE' Edwards Though he said he "didn't disagree" with Cher's assessment of him, Shepard did attempt to defend himself. "I'll tell you the thing that you should like about me. I'm not threatened by her shining. Love it. The shinier she gets, the better," he said, while Bell added, "There's a lot to this man." Bell also called Shepard "the best dad there ever was." Shepard clearly had no hard feelings about the candid chat, as he told Cher, "I adore you, and I understand nobody's good enough for [Bell]."