As E! pointed out, Kardashian shared a few other moments of his St. Patrick's Day birthday on Snapchat including a snap of him singing "Happy Birthday" to himself as he focuses the camera on Chyna's behind.In another clip, he's seen blowing out the candles on his shamrock-covered cake, as Chyna shouts for him to make a wish. You may even notice that Chyna's son with ex Tyga, King Cairo, is there to help Kardashian get all the candles on the first try.