Sienna Miller and Daughter Marlowe Shine at Cannes Film Festival

The actress and her 11-year-old daughter made a striking appearance at the premiere of Horizon: An American Saga.

Miller wore a custom Chloé gown, while Marlowe donned a satin dress by Jessie and James London.
The mother-daughter duo attended the event with Miller's boyfriend, Oli Green.
Horizon: An American Saga, directed by Kevin Costner, received a 10-minute standing ovation.
Costner was accompanied by five of his children on the red carpet.
Miller shares Marlowe with her ex, Tom Sturridge, and has a second daughter with Green.