Piper Perabo Piper Perabo

Piper Perabo is mixing business with pleasure.

The Covert Affairs star, 36, is engaged to Stephen Kay, the show's director and co-executive producer, People reports.

Fall TV: Check out all the must-see new shows

"They are very happy," a source told the magazine.

This will be the first marriage for the actress.

Covert Affairs airs Tuesdays at 9/8c on USA.