Dennis Rodman sung “Happy Birthday” to Kim Jong Un at an exhibition match in Pyongyang held to mark Kim Jong Un’s 31st birthday.

Rodman dedicated the game, which was between a team of former NBA all-stars and a senior North Korean national team, to Supreme Leader Kim Jong Un, his wife Ri Sol Ju, and accompanying officials.

“Dennis gave an improvised speech where he thanked the American players for coming and described them as “very brave” to join him on this engagement mission,” Simon Cockerell, a tour guide with the Beijing-based Koryo Tours, told NK News by Skype from his hotel