Sienna Miller’s 11-Year-Old Daughter Marlowe Makes Glamorous Debut at Cannes Film Festival Ashlyn Robinette Blog May 20, 2024Leave a Comment on Sienna Miller’s 11-Year-Old Daughter Marlowe Makes Glamorous Debut at Cannes Film Festival Ashlyn Robinette Spread the loveThe stylish mother-daughter duo dressed up for the premiere of Sienna Miller’s new film, ‘Horizon: An American Saga.’ News The stylish mother-daughter duo dressed up for the premiere of Sienna Miller’s new film, ‘Horizon: An American Saga.’