YouTube's nine biggest stars have been revealed - with Justin Bieber filling the top spot.
Canadian-born Bieber became the first person ever to reach 2 billion hits on YouTube at the weekend, with a cool 2,005,750,829 hits (and counting) on his official YouTube channel, according to social media monitoring company Famecount.
Lady Gaga is hot on Bieber's heels in second place, with 1.88 billion hits while Rihanna makes third place with 1.71 billion hits.
The top five are rounded out by Eminem (1.51 billion hits) in fourth place, followed by Latin American superstar Shakira in fifth (1.22 billion hits).
YouTube's nine biggest stars
