"Oops!... I Dit It Again "
El segundo lanzamiento de Britney, fue ansiosamente una mezcla anticipada del pop pegajoso, y ya esta hecha para ser famosa, ahora mas adulta, y con mucho mas soul. "Oops!... I Did It Again" fue el album que obtuvo el gigantezco debut que nunca antes se había obtenido por una artista femenina en los Billboard charts de EU, vendiendo sobre 1million de copias en su primera semana. Mas sus tres grandiosos singles seguidos, incluyendo el último track de su debut, "Stronger," y "Don't Let Me Be The Last To Know," junto un video dirigido por Herb Ritts; dejando atras a Shania Twain y Mutt Lange-penned.

"Oops...! I Dit It Again " "Stronger"
"Lucky" "Don't Let Me Be The Last To Know"
   
"Oops!... I Did It Again"
Fecha: 15 Mayo 2000     Maxima Posición en Charts: #2
UK/Europa CD
"Oops!... I Did It Again"
"Stronger" 
"Don't Go Knockin' On My Door" 
"(I Can't Get No) Satisfaction"
"Don't Let Me Be The Last To Know" 
"What U See (Is What U Get)"
"Lucky" 
"One Kiss From You" 
"Where Are You Now" 
"Can't Make You Love Me" 
"When Your Eyes Say It" 
"Girl In The Mirror"
"Dear Diary"
 
USA CD
"Oops!... I Did It Again"
"Stronger" 
"Don't Go Knockin' On My Door" 
"(I Can't Get No) Satisfaction"
"Don't Let Me Be The Last To Know" 
"What U See (Is What U Get)"
"Lucky" 
"One Kiss From You" 
"Where Are You Now" 
"Can't Make You Love Me" 
"When Your Eyes Say It" 
"Dear Diary"
 
"Oops!... I Did It Again"
Fecha: 01 Mayo 2000
UK CD
"Oops!... I Did It Again"
"Deep In My Heart"
"From The Bottom Of My Broken Heart" Ospina Millennium Funk Mix
 
Europa/Australia CD
"Oops!... I Did It Again"
"Deep In My Heart"
"Oops!... I Did It Again" Instrumental
"From The Bottom Of My Broken Heart" Ospina's Millennium Funk Mix
 
Europe Remixes CD
"Oops!... I Did It Again"
"Oops!... I Did It Again" Rodney Jerkins Remix
"Oops!... I Did It Again" Ospina's Crossover Mix
"Oops!... I Did It Again" Riprock 'N' Alex G. Oops! We Remixed Again! (Radio Mix)
"Oops!... I Did It Again" Ospina's Deep Club Mix
"Oops!... I Did It Again" Riprock 'N' Alex G. Oops! We Remixed Again! (Club Mix)
"Oops!... I Did It Again" Ospina's Instrumental Dub
 
"Lucky"
Fecha: 14 Agosto 2000
UK CD
"Lucky"
"Heart"
"Lucky" Jack D. Elliot Radio Mix
 
Europa CD
"Lucky"
"Heart"
"Lucky" Jack D. Elliot Radio Mix
Australia Limited Edition CD1
"Lucky"
"Heart"
"Lucky" Jack D. Elliot Radio Mix
"Oops!... I Did It Again" Jack D. Elliot Club Mix
 
Australia CD2
"Lucky"
"Oops!... I Did It Again" Rodney Jerkins Remix
"Oops!... I Did It Again" Ospina's Crossover Mix
"Lucky" Jason Nevins Mixshow Edit
"Lucky" Jason Riprock And Alex G Radio Edit
Enhanced With "Oops!... I Did It Again" Video
 
"Stronger"
Fecha: 04 Diciembre 2000
UK CD
"Stronger"
"Walk On By"
"Stronger" WIP Mix
 
Europa/Australia CD
"Stronger" 
"Walk On By"
"Stronger" Instrumental
"Stronger" Miguel 'Migs' Radio Edit
 
USA CD
"Stronger"
"Stronger" Mac Quayle Mix
"Stronger" Pablo La Rosa's Transformation
"Stronger" Miguel 'Migs' Vocal Mix
"Stronger" Jack D. Elliot Club Mix
"Stronger" Pimp Juice's "Ain't No Shame In This Vocal Mix Game" Mix
 
"Don't Let Me Be The Last To Know"
Fecha: 26 Marzo 2001
UK CD1
"Don't Let Me Be The Last To Know"
"Don't Let Me Be The Last To Know" Hex Hector Radio Mix 
"Don't Let Me Be The Last To Know" Hex Hector Club Mix
 
UK Limited Edition CD2
"Don't Let Me Be The Last To Know" 
"Stronger" Mac Quayle Club Mix 
"Oops!... I Did It Again" Riprock 'N' Alex G Radio Edit
Enhanced With "Don't Let Me Be The Last To Know" Video
 
Europe CD
"Don't Let Me Be The Last To Know"
"Don't Let Me Be The Last To Know" Hex Hector Radio Mix 
"Don't Let Me Be The Last To Know" Hex Hector Club Mix
"Stronger" Mac Quayle Club Mix 
"Stronger" Pablo LaRosa's Transformation Edit