PHOTO : Kanye West Proposes To Kim Kardashian + Her 15-Carat Diamond Ring

The 36-year-old rapper proposed to the reality star on her 33rd birthday on Monday by renting out the entire AT&T Park baseball stadium in San Francisco, popping the question in front of their family and friends, reports E!. Their upcoming nuptials with be Kim's third marriage, and Kanye's first. Congratz to them.