Michael Clifford

#michaelcliffordisoverparty trended on Twitter over the weekend.

He calls this Green Day riff 'genius.'

Daya, Fergie and 5 Seconds of Summer hit L.A. for an end-of-summer celebration.

After weeks of voting, the Fifth Harmony and 5 Seconds Of Summer superstars reign supreme.

It's the 'Stitches' superstar against the 5SOS favorite in the final round of PopCrush's annual Prom King of 2016 competition.

It's a 5SOS battle between Luke and Michael in the second round of PopCrush's Prom King of 2016 competition.

Only one guy can move closer to being king: The 5SOS superstar or the son of Victoria and David. Who will it be?

Justin Bieber defends himself after his name is brought up in a 5 Seconds of Summer interview with Rolling Stone.

Luke and Michael dialed in to chat with our very own Lisa Paige on 'PopCrush Nights.' Listen now!

Between Lady Gaga and Nicki Minaj, these celebs' green dye-jobs will leave you totally envious.