Game 7 is underway in Boston.
The No. 2 seed Celtics and No. 3 seed Bucks have been neck and neck throughout their second round Eastern Conference playoff series.
Giannis' girlfriend, Mariah, posted a four-word message during the playoffs earlier this week.
"We got you, always," she wrote.
Giannis and Mariah have been together for several years, dating back to the start of his NBA career.
Milwaukee is trailing Boston, 48-43, heading into halftime on Sunday afternoon.
The game is on ABC.