Women in Music 2016
Watch Billboard and American Express' 'Women in Music: Inspiring a Generation' Video
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Kesha Accepts Trailblazer Award at Billboard Women in Music 2016: 'Don't Let Anyone Take Your Happiness'
Julia Roberts on Her Unplanned Taylor Swift Tour Appearance: 'I Would Have Washed My Hair'
Julia Roberts is still a pretty woman -- even if she hasn't washed her hair.
Roberts said she took her three children to meet Swift, when the singer asked her to appear during the show.
"Oh my god, I would have washed my hair if it had been planned. I was, like, wearing a ponytail and leggings, I mean, tennis shoes," Roberts explained.
"[Taylor] was sweet enough to ask me before the show. She was very sweet with my children who had never been to a show before, they are all big fans," Roberts added. "And she said, 'would you mind coming on stage during the song and dancing?' and I said to my children, 'Well, what do you think?' And they all said, 'Oh, Mom you have to do it!' and my youngest son said, 'Only do it if you want to, Mommy.' it was so sweet!"
"It was just one of those crazy, out of body moments," Roberts said.
Roberts was also joined on stage by singer Joan Baez.
Watch the full Extra interview here.