AceShowbiz -

This year's biggest celebrity moneymakers are revealed in Forbes' 100 list. Boxer champion Floyd Mayweather, Jr.. chart-topping popstar Katy Perry, and British popular boyband One Direction are among the esteemed lineup.

On heels of his win against Manny Pacquiao in last month's match, Mayweather tops the list bagging around $300 million, according to Forbes. Meanwhile, his opponent Pacquiao follows at the second place with $160 million in earnings.

Perry rounds up the top three with $135 million while Harry Styles and co. trail behind at the fourth position with $130 million. Taylor Swift who is ranked first with her boyfriend Calvin Harris as the highest-paid couple has to sit at No. 9 in this list.

Last year's champ Beyonce Knowles falls to No. 29 with approximately $54.5 million, a far cry from her 2014 earnings, $115 million. Meanwhile, Kim Kardashian rises from No. 80 last year to No. 33 this year. She is estimated to bag $52.5 million during the past 12 months.

1. Floyd Mayweather, Jr. ($300 million)
2. Manny Pacquiao ($160 million)
3. Katy Perry ($135 million)
4. One Direction ($130 million)
5. Howard Stern ($95 million)
6. Garth Brooks ($90 million)
7. James Patterson ($89 million)
8. Robert Downey Jr. ($80 million)
9. Taylor Swift ($80 million)
10. Cristiano Ronaldo ($79.5 million)