These are the Billboard Hot Dance/Disco Club Play and Maxi-Singles Sales number-one hits of 2001.
American singer Britney Spears has released nine studio albums, eight compilation albums, nine box sets, three extended plays (EPs), 50 singles, 11 promotional singles, two charity singles, and has made three guest appearances. In 1997, Spears signed a recording contract with American record label Jive Records in order to launch her career.