Pinkis reportedly back with her estranged husband despite penning the chart-topping hit So What about their break up.
The couple, who announced they were separating last year, are said to be giving their three year relationship another go.
Motor Cross racer Hart recently told The Sun: “We're working s**t out, I admit it. She's just totally normal and low-key."
There has been growing speculation that the pair may rekindle their relationship after they spent New Year together at Hart’s Las Vegas nightclub.
According to sources at Ok! Magazine, Pink - real name Alecia Moore is said to still be: “head over heels for Carey and wants to try again.”