It's official!Taking a page out of Zoe Saldana's playbook, Nashville star Hayden Panettiere, 24, finally confirmed all of the pregnancy reports while participating in the ALS Ice Bucket Challenge Wednesday.Nominating country singer Kacey Musgraves, fiancé Wladimir Klitschko and "her unborn child" to take the challenge next, Panettiere was doused with ice cold water with a little help from Dancing with the Stars pro Derek Hough.Continue reading...Read more on NewsOK.com