1 / 28

Ed Sheeran & Justin Bieber

2 / 28

Jess Glynne

3 / 28

Justin Bieber

Photo By Getty Images

4 / 28

Bruno Mars

Photo By Getty Images

5 / 28

Zara Larsson

Photo By Getty Images

6 / 28

Bebe Rexha

7 / 28

Green Day

8 / 28

Bruno Mars

9 / 28

Afrojack

10 / 28

Cole Whittle (DNCE)

11 / 28

Jack Gilinsky & Jaden Smith

12 / 28

Winnie Harlow

13 / 28

G-Eazy & Charli XCX

14 / 28

Kesha

Photo By Getty Images

15 / 28

Shakira

Photo By Getty Images

16 / 28

The Dudesons

Photo By Getty Images

17 / 28

Katy Perry & Ariana Grande

18 / 28

Ylvis

19 / 28

Thirty Seconds to Mars

20 / 28

Redfoo

21 / 28

Hayley Roberts & David Hasselhoff

22 / 28

'Geordie Shore' Cast

Photo By Getty Images for MTV

23 / 28

Psy & Kim Kardashian

Photo By Getty Images for MTV

24 / 28

Jedward

Photo By Getty Images

25 / 28

Redfoo

Photo By AFP

26 / 28

Talia Storm

27 / 28

LMFAO

Photo By Kevin Mazur/Getty

28 / 28

The Dudesons

Photo By Dave J Hogan/Getty