His bandmates Duncan James and Simon Webbe had both done the same in 2013.
Westlife star Shane Filan, S Club 7 stars Jo O'Meara and Paul Cattermole, and Atomic Kitten star Kerry Katona have all also been declared bankrupt.
Meanwhile Mutya embarked on a solo career and had a big hit with her track Real Girl in 2007.
Mutya is the latest well-known face in an ever-growing line of stars who found fame in the Noughties to declare themselves bankrupt.
Despite reforming the original Sugababes line-up last year with Keisha Buchanan and Siobhan Donaghy under the name of MKS, the singer has fallen on hard times.
To stand out even more, Mutya wore her hair off her face in a high bun and added some bright purple colour to her lips.
Mutya was an original member of the group along with Keisha Buchanan and Siobhan Donaghy back in the early 2000s and remained with the trio when Siobhan left and was replaced by Heidi Range.
Many other stars who found fame in the 90s and Noughties as members of successful bands have also found themselves in financial difficulty recently.
In August, Anthony Costa was the third member of Blue to be declared bankrupt.
In 2005, several months after giving birth to her daughter Tahlia, Mutya left the band and Amelle Berrabah took her place.
The trio went through its final change when Keisha was replaced by Jade Ewen in 2009.
MKS have moved forward the release of Flatline, their first single since reforming.