Cody Simpson attends International Day of Happiness at the United Nations and MixRadio global launch at SXSW with Gigi Hadid

Cody Simpson celebrated International Day of Happiness at the United Nations and MixRadio global launch at SXSW in Austin, TX today, March 20. Cody was joined at the event by his girlfriend, Gigi Hadid.

Cody surprised the crowd at the event today as an unannounced performer as MixRadio launched their new #HappySoundsLike playlist. You can listen to the playlist here.

I hope the two had fun at the event!

Photos credit: Brian Birzer/MixRadio via Getty Images