Lana Del Rey Gifts Festival Crowd With Surprise Jack Antonoff Duet

Lana Del Rey and Jack Antonoff pay tribute to his wife Margaret Qualley during a concert in Washington, D.C. - six weeks after they tied the knot

Lana Del Rey & Jack Antonoff Pay Tribute to Producer's Wife Margaret Qualley During Concert

Margaret Qualley cuts a casual figure in black tracksuit while out and about in New York City - one month after marrying Jack Antonoff