Walker died in a car crash in California while on a break from filming Fast & Furious 7 in 2013.Yesterday (September 12) would have been Walker’s 47th birthday, and Meadow shared an old photo of her and her father on Instagram, from when she was a child.“The moment I realized we are twins,” she captioned the post, adding: “Happy birthday to the most beautiful soul.” the moment I realized we are twins.