David Bowie, Diana Ross, and Elton John have all had 'secret' guests perform on their hit singles. Do you know who?

10 iconic songs that secretly feature very famous backing singers

Wham! were the first ever western pop group to perform in the Republic of China and the screams of the crowd prove just what a special night it was for everyone who witnessed the concert.

When George Michael cheekily sang 'Careless Whisper' bare chested and the audience went berserk

Sally Dyvenor was friends with George Michael

Dancing on Ice: Sally Dyvenor pays tribute to friend George Michael in special performance

George Michael's Words book to be released

George Michael's song lyrics to be released in special new book 'Words'

The greatest love songs of all time

The top 50 best love songs of all time, ranked

1980s love songs

The 20 greatest love songs of the 1980s, ranked

Despite only being 19 years old, George proved to be the most knowledgeable constant on Pop Quiz that episode.

Remember when a fresh-faced George Michael became a Pop Quiz trivia king on TV?

George Michael

George Michael's 'Careless Whisper' slowed down is absolutely incredible

George Michael and Paul McCartney's duet of 'Heal the Pain' is a forgotten masterpiece

George Michael and Paul McCartney's duet of 'Heal the Pain' is a forgotten masterpiece

Freddie Mercury, George Michael and Elton John were all in love with women in the past

Forgotten loves of George Michael, Freddie Mercury and Elton John: The secret women they loved

Last Christmas features the music of George Michael and Wham!

Last Christmas movie: The poignant George Michael moment that made us very emotional

Last Christmas uses the music of George Michael and Wham!

Why the Last Christmas movie's homeless theme was important to George Michael

After just four years after forming Wham!, George and Andrew decided to go their separate ways with an enormous 'farewell' concert at Wembley Arena

When George Michael performed with Wham! for the last time and said it was ‘most important day of my life’

George Michael released 'December Song' in 2009

Remembering George Michael's beautiful forgotten Christmas track 'December Song' 11 years later

The Story of... 'Last Christmas' by Wham!

The Story of... 'Last Christmas' by Wham! - as told by Andrew Ridgeley

Many of George Michael's acts of generosity were only revealed after his untimely death in 2016

8 times George Michael stunned strangers with private acts of charity