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!
Shelby Muha thought she was just doing an Ice Bucket Challenge.
But her boyfriend, Justin Davidson, had a surprise in store.
After Muha made her nominations, she turned around to find Davidson on one knee, proposing marriage.
She said yes.
When Muha accidentally dropped the ring, he dumped the water on her.
Check out the video below!