The Forbes list of the highest paid people in various fields

American singer-songwriter Lady Gaga(age 25 years) $ 90 million is the highest-paid celebrity under the age of 30.Lady Gaga's real name is Stefani Germanotta

Canadian pop star Justin Bieber (age 17 years) earned $ 53 million

Miami Heat's LeBron James (age 26 years) earned $ 48 million

Tennis star Roger Federer of Switzerland(age 29 years) earned $ 47 million

4-time Grammy winner Singer Taylor Swift (age 21 years) earned $ 45 million

Katy Perry (age 26 years) earned $ 44 million

Real Madrid soccer star Cristiano Ronaldo (age 26 years) earned $ 38 million

Beyonce Knowles (age 29 years) earned $ 35 million

Barcelona soccer star Lionel Messi (age 23 years) earned $ 32 million

Tennis star Rafael Nadal of Spain(age 25 years) earned $ 31 million

Rihanna (age 23 years) earned $ 29 million

Orlando Magic center Dwight Howard (age 25 years) earned $ 28 million

Miami Heat's Dwyane Wade (age 29 years) earned $26 million

New York Knicks' Carmelo Anthony (age 27 years) earned $ 25 million

Tennis star Maria Sharapova of Russia (age 24 years) earned $ 24 million

Miley Cyrus (age 18 years) earned $ 15 million

Actress Kristen Stewart (age 21 years) earned $ 20 million

Actor Robert Pattinson (age 25 years) earned $ 20 million

Singer Carrie Underwood (age 28 years) earned $ 15 million

Rap artist Lil Wayne (age 28 years) earned $ 15 million