Daniela Ruah's daughter has completely transformed her hair — for a very good cause! The NCIS: Los Angeles alum's youngest, her daughter Sierra, who is nine this September, chopped all of her hair off into a chic bob, just so she could donate it all. In addition to Sierra, the Portuguese-American actress, who has been married to her co-star Eric Christian Olsen's brother David Paul Olsen since 2014, is also a mom to son River, who will be 12 years old in December.

To show off her daughter's new hair, Daniela took to Instagram and shared a before-and-after photo, first one of Sierra's long, blonde hair, next to one of her with a blunt bob that hits just below her ears. "This amazing soul decided to cut her hair and donate it… Thank you @hairbyginala for giving her exactly what s

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