Rebecca Donaldson makes F1 driver Carlos Sainz Jr.'s heart race ... "Whatever I say … It's a trick question. My current girlfriend, I don't know," Sainz Jr. replied. Prior to her relationship ...

Williams F1 driver Carlos Sainz's girlfriend Rebecca Donaldson shared a picture of her mirror selfie while rocking a stylish ensemble.

Carlos Sainz's girlfriend Rebecca Donaldson attended the Ariana Grande x Swarovski jewelry event and shared snippets of the same on her Instagram handle.

Formula 1 driver Carlos Sainz Jr. likes to keep his eyes on the road ... "When I'm at home I take time to spend with my ...