Are Pink and Carey Hart reuniting?

Jan 18, 2009 at 11:21 a.m. ET

Pink and estranged hubby, motocross racer Carey Hart, are back together.

Pink and Corey take a weekend bike ridePink and Hart, who separated last February, have been seen together frequently lately.On Wednesday, the pair was seen jogging together in Los Angeles. They gazed at each other, walking arm-in-arm after their workout, and then broke into a play fight.Pink also joined Hart over New Years Eve together at a party held at Carey's Las Vegas nightclub Wasted Space, where Carey gave Pink a special toast. A source reveals, "He escorted her to the stage and toasted her at midnight. Then he wished everyone a happy new year. It was very informal."Pink featured Carey in her recent video to the single So What? from her fifth studio album Funhouse, which describes her emotions after their breakup. The scenes feature Pink yelling at Hart, with the couple hugging at the end.The singer has admits that their transition from couple to friends has been awkward. "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."