Steve Granitz / WireImage 1 / 13
Steve Granitz / WireImage 1 / 13

R&B star Lionel Richie owes $1.13 million in unpaid income tax stemming from 2010, according to official documents obtained by TMZ.

RELATED: Which other celebs owe a lot of taxes?

The debt shouldn't put too much of a dent in Richie's bank balance -- the singer-songwriter is worth an estimated $200 million.

RELATED: Expensive celeb divorces