Celebrities show their support for Lena Dunham and Planned Parenthood

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Lena Dunham is taking over Instagram.

The HBO "Girls" star, 28, is blowing up Instagram with pictures of her celebrity friends donning a T-shirt she designed for Planned Parenthood that coincides with her book release "Not That Kind of Girl."

The T-shirts, which are hot pink and read Lena <3 Planned Parenthood, benefit Planned Parenthood's initiatives. The move is certainly bold, especially with November elections right around the corner.

Everyone from Amy Poehler to Gabrielle Union has been featured in the charity-focused social media takeover which you can follow using the #womenarewatching and #weheartplannedparenthood hashtags.

Check out the funny snaps above.

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