Looking back at the biggest hit singles of every year, dating to the Hot 100's 1958 launch. By Xander Zellner Billboard has been publishing weekly rankings in one form or another for over a century.

Stacker consulted the Billboard Hot 100 to rank the longest-running #1 songs by the number of weeks they spent at the top ...

"The kicky, 23-year-old British singer released her second album, the break-up requiem 21, in February, but it wasn't just ...

The Hot 100 is the United States’ main singles chart, compiled by Billboard magazine based on sales, airplay and streams in the US. View the full Hot 100 here.

The pop star just earned her sixth no. 1 song on the Billboard Hot 100, "Die With A Smile," featuring Bruno Mars.