"I feel like this exact moment will be etched into my memory forever," Blanco wrote of the romantic moment that followed the black-and-white shot

Selena Gomez knows where she wants to say "I do" to Benny Blanco. According to OK! Magazine, the "Single Soon" star would love to marry the producer in the backyard of their $35 million home. A source recently told the outlet that Gomez wants to tell their future children they wed in their backyard.