Jack Antonoff and Margaret Qualley are reportedly set to be married. According to People Magazine, the couple is engaged. Qualley was spotted wearing a diamond ring on her finger at the Cannes Film Festival last week. Qualley and Antonoff were spending time in France as the actress filmed her latest movie "Stars at Noon." LOS ANGELES, CALIFORNIA - MARCH 13: Margaret Qualley and Jack Antonoff with Champagne Collet & OBC Wines as they celebrate the 27th Annual Critics Choice Awards at Fairmont Century Plaza on March 13, 2022, in Los Angeles, California.