Posted by Adam

Tuesday May 5, 2009

Jennifer Aniston will likely be furious when she finds out what her best pal and former Friends co-star Courteney Cox has been up to.

Cox, 44, was spotted chatting with Aniston’s ex-husband Brad Pitt at a concert Sunday night.

Courteney was at the Wiltern Theater in LA with husband David Arquette for the final stop on rocker Chris Cornell‘s Scream album tour when Pitt showed up, reports New York Post‘s gossip column Page Six.

“Instead of ignoring him, Courteney chatted away with Brad all night,” a source said. “The three were in great spirits and seemed really happy to see each other.”