Demi Moore's daughter admits "it was definitely weird" when the actress first started dating Ashton Kutcher.
Rumer Willis had a huge crush on the 'That 70s Show' star, who split from Demi in 2011 after six years of marriage, when she was a teenager and says it took her "a minute" to adjust when he started romancing her mother in 2003.
The 'Dancing With the Stars' contestant said: "It was definitely weird for a minute but I have to commend him. He was a really great stepfather. The perspective shifted very quickly."
Asked how quickly she removed the posters of the 37-year-old heartthrob from her bedroom walls, she told SiriusXM radio host Howard Stern: "That's when you open up your Teen Beat and just take him down, rip out somebody else and put them up.
"I feel like I told my sister that at one point like, 'Man, gotta cross him off the list.' "
The 26-year-old beauty insists she was secretly impressed when Demi, 50, started dating Ashton, who is 15 years her junior.
She said: "I feel like I was kind of impressed like, 'Yeah girl, get it.' "
Rumer, whose father is Bruce Willis, previously admitted she is still in contact with Ashton, who now has six-month-old daughter Wyatt with fiancée Mila Kunis.
She said: "I reached out to him when he had the baby, which is so awesome. I saw photos of her [Wyatt]. She's very cute."