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!
Katy Perry is known to switch up her hair style often, and it looks like she's done it again! With the arrival of spring, comes a new 'do for the superstar.
She took to Instagram to show off her newly dyed locks. "Slime green for spring," she says.
Talk about going green! Check it out below: