Last night on the new mom's (Kim Kardashian) birthday at the rented-out AT&T Park in San Francisco, the Grammy winner got down on one knee and popped the question with a little help from a 50-piece orchestra and the field's jumbo screen, which read: "PLEEEASE MARRY MEEE!!!"

A 15 carat FLAWLESS "cushion cut" diamond ring was placed on her perfectly manicured hand.

Of course, Kim said yes and then the duo celebrated with friends and family including the entire Kardashian clan.