The Oscar-nominated actor disclosed how much doubt has clouded his renaissance.
"I feel like a jerk," the "That '70s Show" actor told Esquire.
The Oscar-winning "Flashdance... What a Feeling" singer died in November at age 63.
Witherspoon's gaffe was so memorable that De Niro brought it up 10 years later.
"Angels of mercy watched over my mom as she was in a car crash late last night," the actor wrote.
The star shared that her buzz haircut is "the best choice I’ve ever made."
Kris Jenner officiated the ceremony, which took place on de Rossi's 50th birthday and was attended by Meghan Markle and Prince Harry, among other guests.
“She’s HORRIBLE! All the dancing and stuff is fake,” one Twitter user wrote.
“She’s awesome,” the “Shotgun Wedding” star said of working with an actor whose career suffered after she called out misogyny.
The "80 for Brady" star discussed other roles that could have been had she not said "no."