will.i.am, 43, will return on The Voice tonight.
The musician has been working for over 20 years, winning a number of awards.
He has worked with famous stars such as Justin Bieber and Cheryl.
Now throwback images can reveal what the star looked like two decades ago.
The musician is known for his edgy style of dressing, however, he didn’t always wear such snazzy looks.
Images from 20 years ago show a much more casual will.i.am.
In 1999 he was pictured performing onstage with his Black Eyed Peas co-stars Allan Pineda, aka apl.de.ap, and Jaime Gomez, aka Taboo.
In the snap he wears a light blue button down blouse with white appliqué on the front.
He paired the top with light blue trousers and a brown flat cap.
The group were onstage at the he Warped Tour at Randalls Island on July 16, 1999.
A portrait a year later shows the three again together again.
In this image will.i.am wears a blue jersey top with brown trousers.
His hair is long and he has some unkept facial hair.
The rapper holds a thumbs up towards the camera and two silver rings are visible on the hand.
The groups is posing at the San Jose State Event Center on July 26, 2000.
What is will.i.am’s net worth?
Wealthy Gorilla estimated will.i.am’s net worth to be $75 million, around £58m.
He has had 41 top 40 singles in the charts.
Willpower, his most recent studio album, featured Britney Spears and Lil Wayne, among others.
will.i.am rose to fame thanks to his group, The Black Eyed Peas.