will.i.am shot to fame as a member of the Black Eyed Peas where he was known for his singing and rapping skills.
The star also helped write a number of their songs, and has since worked with huge names over his career, including Britney Spears and U2.
With so much work under his belt, it is no wonder he has managed to rack up a huge fortune.
How much is the singer worth?
will.i.am has a net worth of $75 million, or around £58 million, according to Wealthy Gorilla.
The star is currently a coach on the ITV show, the Voice UK, alongside Tom Jones, Jennifer Hudson and Olly Murs.
Born in LA, he has been a coach since the show launched in 2012.
will.i.am first hit it big as part of the American group, the Black Eyed Peas, where he was a singer, rapper and songwriter.
The musician has also penned tracks for a number of huge acts including the Pussycat Dolls and John Legend.
The music mogul has worked as a producer as well as launching his own solo career.
will.i.am has also dabbled in the fashion and technology industries, where he is a partner in Beats Electronics.
He has been known to get involved in start-ups and innovation projects, and recently launched a project exploring how the public can learn to regain trust in digital technology.
He has tried out acting with roles in films including X-Men Originals: Wolverine as well as leanding his voice to the animated films Rio and Madagascar: Escape 2 Africa.
All of his various ventures will have contributed to his astonishing wealth.
will.i.am has been drawing attention with his weight loss, how did he do this?
The star lost a staggering 20lb by changing up his diet and following this diet plan.
He adopted a vegan, plant-based diet which helped him trim down his 15 stone frame.
His coach co-star, Olly Murs, 34, has a staggering wealth of his own thanks to his TV career.
The singer and presenter has a net worth of £5 million, according to Spear’s Magazine.