Pop star Pink'S ex-husband Carey Hart agreed to appear in her latest music video - but didn't realise the song was about him.
The fiery singer split up with motocross biker Hart last year (07), and used her latest single, love/hate anthem So What, to help her move on.
The star invited her ex-husband to feature in the track's promo - which sees the singer hack down a tree with the former couple's initials carved into it.
Hart had no idea of the single's content - but Pink insists he is used to her mad ways.
She tells BBC Radio One, "He hadn't heard the song before he showed up for the video. He's a good sport, he knows how psychotic I am, he spent six and a half years with me. A year with me is like dog years..."
Thanks For Sharing made its debut in American cinemas today, having premiered at this month's Toronto International Film Festival where it tested the water with...