You Can Thank Lena Dunham For This New Instagram Trend

In 2011, Planned Parenthood launched its Women Are Watching campaign. On top of its everyday efforts to protect women's rights and provide healthcare and education to women everywhere, this special faction has a focus on legislation. According to its site, Women Are Watching formed to "put lawmakers and politicians on notice."

Lena Dunham, often the champion of women's rights, created a special T-shirt for the campaign. Now, celebrities are scooping them up and posting Instagrams of themselves wearing the signature top.

Dunham's done us all a favor and compiled some of her favorites on Instagram. Ahead, how celeb women (and men and puppies) are spreading the message that we're watching out for women's rights.

You can get your own tee right here.