Gwen Stefani and baby Apollo take in the U.S. Open
Friday, September 5, 2014 - 11:00
in Physics & Chemistry
Annie MartinNEW YORK, Sept. 5 (UPI) -- Gwen Stefani and son Apollo cheered on Roger Federer of Switzerland at the U.S. Open, and the singer got silly when she was spotted on the jumbotron.