Various Hollywood stars took\u00a0part in a new viral call to action that is reminiscent of the popular Ice Bucket Challenge. Derived from the number of U.S. military veterans who commit suicide daily, the 22 Push-Up Challenge dares participants to drop and give 22 for the cause.\r\n\r\nChris Pratt\u00a0teamed up with wife Anna Faris after he was challenged by his friend\u00a0Will Dodge. Pratt challenged The Rock, Vincent D'Onofrio and John Krasinski.\r\n\r\nDwayne Johnson was also challenged by Chris Pratt and took it on with his dog. Kevin Hart, J.J Watt and Olympic swimmer Simone Manuel.\r\n\r\nJohn Krasinski accepted Pratt's 22 push-up challenge and went on to nominate Chris Evans, Miles Teller and Jason Walsh.\r\n\r\nScott Eastwood saw The Rock do the challenge so he decided to take part. Obviously, he had to take off his shirt to do so first. He passed the challenge on to Ludacris.\r\n\r\nChris Evans did the push-up challenge after John Krasinski challenged him. His dog got in the way multiple times, but he finished. He nominated "Avengers" costars Jeremy Renner and Anthony Mackie.\r\n\r\nCandace Cameron Bure took part in the challenge alongside celebrity trainer Kira Stokes.\r\n\r\nLudacris was challenged by Scott Eastwood and did his push-ups in front of a huge crowd who counted along with him. He nominated\u00a0his buddy Snoop Dogg, among others.