 Five singles came from the album . " ... Baby One More Time " became a worldwide success and one of the best @-@ selling singles of all time , at over ten million copies . The album was promoted with appearances on live television , and also by the ... Baby One More Time Tour in 1999 , with a second leg titled Crazy 2k Tour in 2000 . Spears claimed she wasn 't able to explore her vocal ability on the album . This album set Spears ' international pop culture icon image and launched her career . The album earned Spears Grammy nominations for Best New Artist and Best Female Pop Vocal Performance for " ... Baby One More Time . " 
