The list of country stars joining in on the ice bucket challenge to raise awareness for ALS is growing. Catch up on previous videos here, and see the new additions below.

Hunter Hayes challenged Rascal Flatts and Zac Brown Band. He was joined in the challenge by a member of his crew and a number of his fans who were camped out waiting for his show in Lewisburg, W.V. Watch the video above.

The Band Perry nominated Lucy Hale, along with Nick Saban and the entire Alabama football team.

Hale, in turn, challenged Brett Eldredge.

Eric Church was nominated by Keith Urban, who also called out Tim McGraw. Watch Urban's video here and McGraw's here. Church challenged George Strait, Bruce Springsteen and James Hetfield.

Taylor Swift took the challenge with actress Jaime King. Swift nominated Selena Gomez, Emma Stone and Ed Sheeran.

Carrie Underwood was joined by her husband Mike Fisher. She nominated Jennifer Nettles.

Nettles, during her turn, "pre-challenged" Brandy Clark, and they took the challenge together.

Wynonna Judd and husband Cactus Moser dunked themselves before jumping in the lake. Judd nominated Reba McEntire, Rosie O'Donnell and Kirstie Alley. See McEntire's video here, as well as one from Shania Twain here.

Larry the Cable Guy has also completed the challenge after Rodney Atkins nominated him.

According to the ALS Association, the ice bucket challenge has helped raise a total of $22.9 million in a little over three weeks, compared to just $1.9 million during the same time period last year.

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