Mariah paid tribute with a cover of what she described as "one of his greatest records".
George Michael, born Georgios Kyriacos Panayiotou, shot to superstardom during the 1980s and 1990s.
As one of the world's best-selling music artists, Michael has sold more than 100 million records worldwide and his 1987 debut solo album, Faith, has sold more than 20 million copies.
Michael has won numerous music awards throughout his 30-year career, including three Brit Awards and two Grammy Awards. As of 2014, he had notched up six UK number one singles and four of his five studio albums have also reached the top spot.
The star has been laid to rest at Highgate Cemetery near his home in North London.
The statement, released by George's family, thanked fans around the world for their kind words.
The 53-year-old singer has been laid to rest beside his mother.
The pair apparently fell out over George's party lifestyle.
The work by famed British artist Damien Hirst was sold in Texas to raise money for good causes.
The late and great George Michael was remembered by Nadine McGhee, in a truly touching tribute to the singer.
The star passed away on December 25th and police have been investigating the cause of death ever since.
His former WHAM! bandmates gave a beautiful introduction to a musical tribute from Coldplay's Chris Martin.
The awards ceremony will celebrate the life and music of the iconic British star.
With a star-studded line-up of performers, it's going to be an incredible night!
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Experience the beauty of Prince and this beautiful song he performed on The Muppets Tonight.
Watch this dream duo perform 'I'm Gonna Make You Love Me' back in 1969.