NEW YORK -- Marriage is coming after the baby carriage for Kim Kardashian and Kanye West.

E! News reports West proposed to Kardashian Monday -- her 33rd birthday -- in front of family and friends at the AT&T Park, home of the San Francisco Giants.

Kardashian gave birth to the couple's first child, daughter North West, in June.

Representatives for 36-year-old West and Kardashian didn't immediately respond to emails seeking comment. E!, which airs "Keeping up with the Kardashians," also did not immediately respond.

Photos posted on Instagram show a screen at the stadium that reads "PLEEESE MARRY MEEE!!!" and Kardashian showing off a diamond ring.

Kim Kardashian and Kanye West engaged
FILE - In this Sept. 29, 2013 file photo, Kanye West, left, and Kim Kardashian arrive to attend Givenchy's ready-to-wear Spring/Summer 2014 fashion collection in Paris. Marriage is coming after the baby carriage for Kim Kardashian and Kanye West. E! News reports West proposed to Kardashian Monday, Oct. 21, 2013, on Kardashian's 33rd birthday, in front of family and friends at the AT&T Park. Kardashian gave birth to the couple's first child, daughter North West, in June. Representatives for 36-year-old West and Kardashian didn't immediately respond to emails seeking comment about the engagement. (AP Photo/Zacharie Scheurer, file) (Zacharie Scheurer)

Khloe Kardashian seemed to celebrate on Twitter when she wrote: "Tears of JOY!!!!!!! Wow!!!!!!"

Kardashian was previously married to NBA player Kris Humphries. Their divorce was finalized in June.