#TBT – Christina and Ali Christensen Take Great Strides for Cystic Fibrosis

Some time ago we showed you the sister duo act from the 5th Season of America’s Got Talent. They ended up being eliminated in the finals leaving everyone amazed with their singing. (Listen to them sing once again despite their cystic fibrosis here.)

Here, see “Ali and Christina Christensen asking people across the country to take Great Strides for CF back in 2011.”

To learn more about cystic fibrosis, click here: https://bit.ly/1QltnFs

Stay updated on all the latest CF news here: https://bit.ly/1jNDqsz