The singer passed away from kidney failure.
Freddie Combs, who appeared on season two of the US edition of The X Factor, has passed away at the age of 49.
His passing was confirmed by his wife Kay, who told TMZ that he died from kidney failure in a hospital in Florida.
She said: “I have so much gratitude to be his wife for 25 years and to be his best friend.”
She added that he was surrounded by his friends and family at the time of his passing.
Freddie appeared on the singing competition in 2012. He performed a powerful rendition of Bette Middler’s “Wind Beneath My Wings”, which he dedicated to his “ever loving wife”.
After his performance, he received a standing ovation and was praised by judges Simon Cowell, Britney Spears, Demi Lovato and L.A. Reid.
Demi said: “You know what, you really touched me when you sang.”
Britney said that his voice was “amazing”, before giving her his yes.
Mr Combs was an Evangelist minister. As well as his X Factor appearance, he was also featured on a Christian TV show called Heavenly Ever After in 2011, and a TLC documentary called Ton of Love in 2010.