SAN FRANCISCO, CA - MARCH 03: (C-L) Kate Upton poses with fans at the EXPRESS Spring Fling Event with Kate Upton at Union Square on March 3, 2015 in San Francisco, California. (Photo by Steve Jennings/Getty Images for EXPRESS)
SAN FRANCISCO, CA - MARCH 03: (C-L) Kate Upton poses with fans at the EXPRESS Spring Fling Event with Kate Upton at Union Square on March 3, 2015 in San Francisco, California. (Photo by Steve Jennings/Getty Images for EXPRESS)