PIC: Why Is Courteney Cox Walking With a Cane?

Credit: INFphoto.com

You OK, Court?

On Wednesday, Courteney Cox attended an ABC bash at perennial Hollywood hotspot Spago.

Accenting her elegantly casual ensemble: a walking cane.

A rep for Cox, 46, explains to UsMagazine.com: "She had minor knee surgery." See more photos of Courteney with a cane.

Cox has continued to keep a low profile in the wake of her October separation from husband David Arquette. He checked out of rehab in late January after nearly a month of treatment.

"His family is behind him 100 percent and visited him often in rehab," a source told Us of the 39-year-old star, father to Cox's daughter Coco, 6.