Who is the youngest person to reach number one on the UK Singles Chart?

"Long Haired Lover from Liverpool" is a pop song by Little Jimmy Osmond. Written by Christopher Kingsley (somehow credited as Christopher Dowden on the UK release) and produced by Mike Curb and Perry Botkin Jr, "Long Haired Lover from Liverpool" was a UK number one single for Jimmy Osmond. Riding high on the popularity of The Osmonds, Jimmy (the youngest sibling) had a massive hit with the song, in the process becoming the youngest person to ever reach number one on the UK Singles Chart aged 9 years 8 months.

A UK number one for five weeks in December 1972, it was the Christmas number one that year, and has since sold over a million copies in the UK. It also reached #2 on the Australian Singles Chart (Kent Music Report) and #38 on the US, Billboard Hot 100. Kingsley's 1969 version was an unsuccessful single, played by then-popular MOR station KMPC, Los Angeles.