The teen pop star guests on Maejor Ali's track 'Lolly'
Pop brat and Cash Money rapper acted as the fighter's hype men during his Las Vegas fight against Canelo Alvarez
A pair of lucky winners are being flown to Australia for two nights while the pop singer is in New Zealand
Clubber rushed the pop star but was taken down by security
Lady Gaga, Miley Cyrus and Katy Perry have also been called out on Twitter by a class of Brazilian sticklers
Pop star was accused of hitting a photographer with his sports car
Teen singer was not on board vehicle at time of discovery in Detroit
Pop upstart has also angered ice hockey fans by touching the sport's most sacred trophy
'Baby' singer accused of punching and kicking a paparazzo in shopping centre
'Baby' singer upsets jet pilot by delaying his flight from Miami, Florida