The star was reportedly hit with two liens from America's Internal Revenue Service (IRS) in December, 2014 and February, 2015 with authorities demanding a total of just over $1.9 million (£1.2 million).

Editors at TMZ.com report Williams has now cleared the debt.

The tax bill was the latest in a long line of troubles for Williams, which include a costly legal battle with rapper Lil Wayne, who is demanding $51 million (£34 million) in unpaid wages relating to his long-delayed album, Tha Carter V.