What better way to celebrate an eleventh birthday than with a milestone? Brand new video shows Sarah Murnaghan up and walking on her big day -- a day that was big in more ways than one.

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She made headlines earlier this year after her battle with cystic fibrosis became public as her family fought for their daughter to be able to receive a lung transplant despite recipient regulations.

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On her Facebook page, Sarah's mom posted the following message: "Sarah walked 10 feet with her walker for the first time. Actually made it out of the room!"