She's standing up for kids! Dr. Jen Arnold is known as the star on her family's TLC reality series The Little Couple, but she's also an extremely accomplished doctor! The neonatologist asked the government to keep kids in mind when drafting a new healthcare bill by going to Capitol Hill with her own little ones!

Jen shared an adorable family photo taken from their trip to Washingon D.C. in order for her to made a speech on behalf of the Speak Now for Kids campaign. In the shot, she posed with her husband Bill Klein, their seven-year-old son Will, and their five-year-old daughter Zoey in front of the U.S. Capitol building.

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"Please get involved [and] remind your congress leaders to put kids' health first! Great time meeting with members of congress to talk kids' healthcare coverage!" the 43-year-old wrote in the caption.

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Jen and her hubby Bill attended the Speak Now for Kids family advocacy day event in order to ask leaders to consider how cutting Medicaid could negatively affect children. While the adults campaigned for children's healthcare, the kids got to partake in super fun activities like face painting and meeting superheroes! She also shared an adorable photo of Zoey with her Batgirl face paint and Will smiled wide in a shot of him with Superwoman and Wonder Woman character actors.

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But even though most fans thanked Jen and praised her for standing up for children's healthcare, many other fans were unhappy with her stance on politics and they told her in the comments on her Facebook page. One fan wrote, " I am really hoping that you will be able to keep this separated from your show on TLC. I watch happy shows like yours to get away from politics." Another fan wrote, "STOP WITH THE POLITICS! I really enjoy your show but not your politics."

Scroll through the gallery below to see more photos of Jen and Bill's adorable kids!