Jack Antonoff makes a proposal to Margaret Qualley

Cover Images/Keystone Press Agency/Global Look Press
The actress sparked rumors at the Cannes Film Festival.

Margaret Qualley, 27, and Jack Antonoff, 38, are engaged. The music producer made a proposal after dating for less than a year.

The actress sparked rumors when she rocked at the Cannes Film Festival the band on a ring finger. She flashed a diamond the premiere of her latest film, Stars at Noon, People reported.

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