United Kingdom, Sept. 17 -- Jack Antonoff joked about his split from Margaret Qualley during a concert earlier this week.

The 42-year-old singer - who confirmed in July he had separated from the Substance actress after almost three years of marriage - laughed off a request from an audience member at Bleachers' show at the Troubadour in Los Angeles on Tuesday (15.09.26) when the fan asked the group to perform 2017 single Let's Get Married, saying it was his wedding song.

In a video shared by USA Today, Jack laughed: "Absolutely not. Read the news, brother."

He then more seriously added: "No, I love that song and I wrote it like, 11 years ago."

Questions were raised about Jack and Margaret's marriage in July after he was accompanied to ...