"I told him that I would give him away at his next wedding," Pink, 29, says in an interview in Seventeen magazine's February issue.
But that's not to say the split has been entirely easy.
"It's up and down," she says. "You have strong moments and you have weak moments. But it's not just been devastating – it's been freedom, too."
Pink, who says she's had an aggressive side since childhood, also dishes a little bit about her break-up themed hit single "So What." In the video – which features a cameo by Hart – the singer takes a chainsaw to a tree and lights her hair on fire. But she says writing such an aggressive anthem was also cathartic.
"It feels very confusing," the singer says about writing the song. "It's bittersweet. It's funny, it's empowering, it's 'Screw you,' it's all of that."
"It's amazing to be number one," Pink says. "But it's ironic that it took [Carey and I] breaking-up to get there. It's a testament to how often people break-up, because everyone can relate to what I'm saying."
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