<Tr> <Td> Wet Wet Wet </Td> </Tr> <P> The record for most non-consecutive weeks at number one is 18 by Frankie Laine's "I Believe" in 1953 . It spent nine weeks at number one, dropped down for a week, returned to number one for six weeks, dropped down for a further week and returned to number one for a third time for three weeks . It is one of five singles to return to number one more than once, the others being "Singing the Blues" by Guy Mitchell in 1957, "Happy" by Pharrell Williams in 2014, "What Do You Mean?" by Justin Bieber in 2015 and "Despacito" by Luis Fonsi and Daddy Yankee featuring Justin Bieber in 2017 . </P> <P> The longest unbroken run at number one is "(Everything I Do) I Do It for You" by Bryan Adams, which spent 16 consecutive weeks in 1991 . </P> <P> Below is a table of all singles that have spent 10 or more weeks at the top of the charts: </P>

What song has stayed number one for the longest