Benny Blanco and Selena Gomez Courtesy of Selena Gomez/Instagram Benny Blanco had a vision for Selena Gomez’s engagement ring. Blanco, 36, got on one knee and popped the question to Gomez, 32, earlier this month with a dazzling marquise diamond set on a gold band. The ring designers, Katherine Theofilos Claster and Stephanie Theofilos, later…
