5 Reasons Cat Grant Is Supergirl's Best Influence

Kara Zor-El (Melissa Benoist) has a lot of people mentoring and guiding her on her Supergirl journey, but it's Cat Grant (Calista Flockhart) that's consistently pointing her in the right direction. Weirdly enough, she's the only person in Kara's circle that doesn't know her secret, yet she still

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