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Hollywood celebrities are doing pushups for a good cause with #22PushUpChallenge. Chris Pratt, Chris Evans and Dwayne "The Rock" Johnson are among stars who have taken part in the viral campaign which seeks to raise awareness for 22 veterans who commit suicide daily.

Pratt is accompanied by his wife Anna Farris for the pushup challenge. Anna is seen struggling with her pushups. Evans and The Rock, meanwhile, are accompanied by their dogs, who lick and bite the actors while they're doing their 22 pushups.

#22PushupChallenge @canadinoutlaw @TheRock @vincentdonofrio @johnkrasinski pic.twitter.com/R9GMpA5kku

— chris pratt (@prattprattpratt) August 13, 2016

Thank you to all the men and women who serve this country #22PushupChallenge @Renner4Real @AnthonyMackie pic.twitter.com/BbA5j67uaM

— Chris Evans (@ChrisEvans) August 15, 2016

#22PushUpChallenge Raising awareness for our 22 US vets who commit suicide daily. If you're a vet and you're going thru it, just know we're thinking about you and you're not alone. Be strong, have faith, keep fighting that good fight and there's always a better day. I challenge my boys @kevinhart4real and @justinjames99 as well as our history making first black OLYMPIC Gold medalist in swimming @swimone13. Thanks to my bud @prattprattpratt for passin' the torch and Hobbs the beast for the bad breath kisses. I'll take em all day

A video posted by therock (@therock) on Aug 15, 2016 at 5:09am PDT

Scott Eastwood, Ludacris, John Krasinski and Vincent D'Onofrio also join the viral campaign. Eastwood goes shirtless for his challenge, while Ludacris does his 22 pushups onstage. Krasinski and D'Onofrio, meanwhile, are joined by their dogs.

#22pushupchallenge raise awareness for our veterans. If you are suffering call 1-800-273-8255 @Ludacris Your Up! pic.twitter.com/i7lOE9UYpn

— Scott Eastwood (@ScottEastwood) August 15, 2016

I accept your challenge @scotteastwood and I'm callin out my brothers @beastmode @lilduval @snoopdogg to raise awareness for our veterans that are suffering out there. We must never forget about those who fight and die for this country. If you are suffering call 1-800-273-8255 we are thinking about you and we care!! #22pushupchallenge

A video posted by @ludacris on Aug 15, 2016 at 8:18pm PDT

#22PushupChallenge @ChrisEvans @Miles_Teller @rise_movement @prattprattpratt #Veterans #NeverStopSayingThankYou pic.twitter.com/81JS7Z6joS

— John Krasinski (@johnkrasinski) August 15, 2016

.#22PushupChallenge @prattprattpratt @MatthewModine @daxshepard1 @RobertDowneyJr @hawkDONOFRIO pic.twitter.com/MHaKmU5uKx

— Vincent D'Onofrio (@vincentdonofrio) August 13, 2016

Robert Downey Jr., Jeremy Renner, Miles Teller, Chadwick Boseman, Anthony Mackie, Kevin Hart and Snoop Dogg are just a few of the #22PushUpChallenge nominees that fans can expect to see in the next rounds.

The movement was originally started by #22Kill which goal is to document 22 million pushups "to honor those who serve and to raise awareness for veteran suicide prevention through education and empowerment."

The challenge gained attraction after the U.K.'s leading veterans' mental health charity, Combat Stress, launched a similar campaign in late July. General Sir Peter Wall, president of Combat Stress, took to Facebook to commit to 22 pushups over the course of 22 days.