Alan Wyse and Kim Cattrall

Kim Cattrall is back on the market. The Sex and the City star has split with her much younger boyfriend, chef Alan Wyse, her rep tells TVGuide.com.

See who's on board for the Sex sequel

Cattrall, 52, and Wyse, 32, called it quits "a while ago and they remain friends," Jill Fritzo says. She declined to give a reason for the break-up.

The couple started dating in 2004, shortly after Cattrall split with her third husband, Mark Levinson, with whom she co-wrote the book Satisfaction: The Art of the Female Orgasm.

Cattrall, whose Samantha Jones dumped boy-toy Smith Jerrod in last year's Sex and the City film, starts shooting the Sex sequel later this summer.