The couple have been together for 18 years.
“I thought, I’m going to get a Yes win in the postal survey and make sure he knows about it the next day”
Kehlani also took a moment to express her support for marriage equality in Australia and to encourage young people to vote yes.
Upon arriving, Alviar walked on shore on shaking legs and dropped to one knee to propose to his partner, Stanley Lewis, who was waiting for him onshore.
The 37-year-old got down on one knee before tens of thousands of fans burst out into rapturous applause.