Polansky joined Gaga in a black tuxedo for the September 4 premiere of Joker: Folie à Deux during the Venice Film Festival. He complemented Gaga’s own black ensemble. The actress stepped out in a stunning Christian Dior Haute Couture ball gown. She added Tiffany & Co. jewelry and a dramatic Philip Treacy headpiece.

Lady Gaga and Michael Polansky have been linked together since 2000. Learn all about the businessman, how he got engaged to the "Mayhem" singer and more!