The Boot is back with another round of ice bucket challenge videos! Check out our previous round-ups here, here and here, and read on for the latest videos.

In the video above, Rascal Flatts takes the plunge on stage in San Diego, Calif. The trio challenged actor Jamie Foxx, comedian David Spade, 'Nashville's' Chip Esten, pro football player Kevin Carter and PGA touring pros Justin Rose and Brandt Snedeker.

Garth Brooks asked the Pittsburg pro teams the Steelers, Pirates and Penguins to step up to the plate next.

Ronnie Dunn challenged George Strait, Alan Jackson and Brooks' alter ego Chris Gaines:

Strait accepted the challenge, in turn challenging Martina McBride.

Faith Hill had some help from husband Tim McGraw. She nominated Nicole Kidman, Rita Wilson and Adam Sandler.

James Wesley asked Dustin Lynch and 'Farm Kings' Dan King to go next.

Jason Michael Carroll took the plunge at Le Conte Glacier in Alaska.

Billy Ray Cyrus also accepted the challenge.

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