She did, but not really. In 'Fast & Furious', the fourth installment of the franchise, it seemed like Letty Ortiz, played by Michelle Rodriguez, perished in a car accident. Fans were heartbroken.
But in 'Fast & Furious 6', we found out that she survived, albeit with severe memory loss. It's a twist that breathes new life into the series and adds a layer of depth to Dominic Toretto's character, played by Vin Diesel.