Gwen Stefani and Gavin Rossdale Cheer on Federer

Known for their love of tennis, Gwen Stefani and Gavin Rossdale watched good friend Roger Federer play at the US Open on Sunday afternoon (September 13).

Looking lovey-dovey in their player's box seats, the cute couple sat alongside Federer's wife, Mirka Vavrinec, as well as Anna Wintour.

As for the match, Roger ended up beating fourth-seeded Novak Djokovic in straight sets to reach his sixth straight US Open final.

The Swiss legend now finds himself matched up against Juan Martin del Potro in a match to be played today (September 14) at 4PM EST.

Celebrity Gossip

Enjoy the pictures of Gwen Stefani and Gavin Rossdale at the US Open (September 13).