Naomi Watts at the Premiere of The Impossible in Madrid

Naomi Watts looked ladylike in a white Marchesa dress for the premiere of The Impossible in Madrid last night. She was joined by the film's director, Juan Antonio Bayona, and her costar Tom Holland on the red carpet and at the film's afterparty. Naomi changed into a more casual look for the bash. Her leading man Ewan McGregor skipped the day of press. However, Ewan did promote the project, which tells the story of a real family during the 2004 tsunami in Thailand, at the San Sebastián International Film Festival late last month. He was awarded the prestigious Donostia Lifetime Achievement Award there, making him the youngest ever recipient of the honor. He's since moved on to filming August Osage County in Oklahoma with Julia Roberts.