It all started with the "mania" surrounding a certain British rock band from the '60s, and since the guys from One Direction - the latest UK boy band to hit the scene - have now been made into action figures, it looks like everything has come full circle. Over the past 50 years, there have been a number of synchronized, harmonizing boy bands, each of them just a bit different from the last. Can't get enough of the craze, or hoping to relive your favorites from the '90s? From the Beatles to One Direction, here's a look at the most popular boy bands of all time.
The 1960s English rock band is widely known as one of the most successful, critically acclaimed groups of all time. More than a little marketable, band members Paul McCartney, John Lennon, George Harrison, and Ringo Starr experienced "Beatlemania" - a frenzied, popular obsession that set the groundwork for boy bands who followed in their footsteps.