Have you ever noticed a female lead character's weight fluctuating in a season of your favorite show? There's a good chance it's because she was pregnant in real life, but it wasn't part of her on-screen story. Celebrities like Courteney Cox and Kerry Washington had to hide their growing baby bumps for several episodes on their series, and they're not the only ones!

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Click through the gallery to see all the actresses who had to hide their pregnancies for on-screen roles!