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 entire world can't stop smiling ever since Pharrell debuted his smash hit "Happy" - even the cartoon world. The Griffins - from "Family Guy" - have all caught the happy fever thanks to the talented Mikey Bolts.
Get happy and check it out below!