As Justin Bieber ruffles Orlando Bloom's feathers after their altercation, we look at the singer's other controversial moments in the spotlight...
ECHO Music Awards
There's nothing like a bit of blue hair-waving and a tight outfit to make your mark. Just ask Katy Perry.
She's stepped out in style at the 2012 ECHO music awards in Berlin in a tight-fitting catsuit with her trademark blue hair.
We've got the snaps of her impressive performance right here. And Katy wasn't the only one making her mark. A host of stars paid tribute to the late Amy Winehouse in a touching performance.
Have a click through, you know you want to...
related stories on msn
latest music videos
Bastille's new music video for 'Oblivion' taken from the album Bad Blood and starring Sophie Turner (Game of Thrones).
Date 21/07/14, Duration 4:11, Views 97725