Justin Bieber is the highest-earning entertainer under the age of 30, according to Forbes.

The controversial musician earned as much as $80 million during the 12-month period between June 2013 and June 2014, in part thanks to the tail end of his world tour. 

Despite his impressive earnings, Bieber endured a turbulent year, which included having to pay a $10,700 bill for abandoning his pet monkey in Germany. 

The 'Believe' hitmaker landed himself in trouble with authorities for illegally bringing his pet primate, Mally, into the country without the necessary paperwork or vaccinations. And instead of producing the necessary documents, he chose to leave the pet behind. 

Meanwhile, the Forbes Top 10 list features eight other musical acts, including One Direction, Taylor Swift and Rihanna. 'Hunger Games' actor Jennifer Lawrence is the only name from the world of cinema. 

Here are the highest-earning entertainers under 30, according to Forbes: 

  1. Justin Bieber, 20, $80 million 
  2. One Direction, 21 (average age), $75 million 
  3. Taylor Swift, 24, $64 million 
  4. Bruno Mars, 29, $60 million 
  5. Rihanna, 26, $48 million 
  6. Miley Cyrus, 22, $36 million 
  7. Jennifer Lawrence, 24, $34 million 
  8. Lady Gaga, 28, $33 million 
  9. Avicii, 25, $28 million 
  10. Skrillex, 26, $18 million