JUST ADDED: 5 Seconds of Summer will be rocking the stage at this year's iHeartRadio Music Festival Village in Las Vegas! The band sat down with Ryan Seacrest to break the news. Click here to buy your tickets now, before they sell out!
The â€śIce Bucket Challengeâ€ť has taken the country by storm, as thousands of people â€” including celebrities â€” dump ice water on their heads to raise awareness for ALS, also known as Lou Gehrig's Disease.
Matt LauerÂ andÂ Martha StewartÂ have taken part, and now a slew of other big names have gotten soaked for a good cause.
Each time someone accepts the challenge, or or she challenges others to do the same.
Elizabeth Banks,Â Jennifer Morrison,Â Lance Bass, Sasha Pieterse, andÂ JoAnna GarciaÂ are among the stars who have filmed their freezing moments.
Check out the videos below!