Kim Kardashian announces baby's gender in Father's Day message

Kim Kardashian has revealed she is expecting a baby boy with rapper Kanye West in a heartfelt Father's Day message.

The reality TV star announced she is pregnant with their second child in May (15) and on Sunday (21Jun15), she marked Father's Day by posting a picture of West reading a children's book with their two-year-old daughter North on Instagram.com.

She then revealed their new baby's gender by writing to West in the caption, "Precious moments like this when we were traveling on tour with you are what I live for. You're such a good daddy to North & you will be the best daddy to our new son too."