for main discography.
Australia |
 | Billie
01: Girlfriend (Radio Mix) 02: Love Groove 03: Girlfriend (Tin Tin Out Mix) 04: Because We Want To (Radio Mix)
|  | EMI Music Group Australasia Australia | 7243895497 2 0 | 1998 | CD Single | 0 | | |
 | Billie
01: Because We Want To (Radio Mix) 02: G.H.E.T.T.O.U.T. 03: Because We Want To (Sgt. Rock 'Old Skool' Mix-Edit) 04: Because We Want To (Tall Paul V's Billie)
|  | Innocent Australia | 8951232 | 1998 | CD Single | 1 | | |
 | Billie
01: Because We Want To (Radio Mix) 02: G.H.E.T.T.O.U.T. 03: Because We Want To (Sgt. Rock 'Old Skool' Mix-Edit) 04: Because We Want To (Tall Paul V's Billie)
|  | Innocent Australia | SINCD2 / 7243 895123 2 8 / SINDX2 | 1998 | CD Single | 1 | | |
 | Steps, Tina Cousins, Cleopatra, B*Witched, Billie
01: Thank ABBA For The Music (Radio Edit) 02: Thank ABBA For The Music (TTW 12" Remix) 03: Thank ABBA For The Music (Karaoke)
|  | Epic Australia | 667160 2 | 1999 | CD Single | 0 | | |
 | Billie
01: Honey To The Bee (Radio Edit) 02: Honey To The Bee (Acoustic Version) 03: Honey To The Bee (Delakota Mix) 04: Honey To The Bee (Video)
|  | Virgin Australia | 7243 895978 0 6 | 1999 | CD Single | 1 | | $1 |
 | Billie
01: Something Deep Inside (Radio Mix) 02: Something Deep Inside (Motiv 8 Deep Club Vocal Mix) 03: Something Deep Inside (The Bold And The Beautiful Mix) 04: Something Deep Inside (Good As You Remix) 05: Honey To The Bee (Hex Hector Club Mix) 06: Something Deep Inside (Video)
|  | Virgin Australia | 7243 8 97126 0 5 | 2000 | CD Single | 0 | | |
Canada |
 | Billie
01: Because We Want To (Radio Mix) 02: G.H.E.T.T.O.U.T. 03: Because We Want To (Sgt. Rock "Old Skool" Mix-Edit) 04: Because We Want To (Tall Paul V's Billie)
|  | Innocent Canada | SIN CD2 | 1998 | CD Single | 0 | | |
Europe |
 | Billie
01: Because We Want To (Radio Mix) 02: G.H.E.T.T.O.U.T. 03: Because We Want To (Sgt. Rock "Old Skool" Mix-Edit) 04: Because We Want To (Tall Paul V's Billie)
|  | Innocent Europe | SINCD2 | 29 Jun 1998 | CD Single | 2 | | |
 | Billie
01: Girlfriend (Radio Mix) 02: Love Groove 03: Girlfriend (Tin Tin Out Mix)
|  | Innocent Europe | SINCD3 | 21 Sep 1998 | CD Single | 0 | | |
 | Billie
01: She Wants You (Album Version) 02: It Takes Two 03: Last Christmas
|  | Innocent Europe | SINDXX6 | 7 Dec 1998 | CD Single | 0 | | |
 | Billie
01: Honey To The Bee (Radio Edit) 02: Honey To The Bee (Acoustic Version) 03: Honey To The Bee (Delakota Mix) 04: Honey To The Bee (Video)
|  | Innocent Europe | SINDX8 | 22 Mar 1999 | CD2 | 1 | | |
UK |
 | Billie
01: Last Christmas 02: She Wants You (Album Version) 03: She Wants You (Sharp Ballroom Remix)
|  | Virgin UK | LASTCD 1 | 1998 | CD Single | 0 | | |
 | Billie
01: Girlfriend (Radio Mix) 02: Girlfriend (D-Influence Real Live Mix) 03: Girlfriend (Sgt. Rock Mix) 04: Girlfriend (Video)
|  | Innocent UK | SINDX3 | 5 Oct 1998 | CD2 | 0 | | |
 | Billie
01: She Wants You (Album Version) 02: She Wants You (Erik Morillo Double Platinum Vocal Mix) 03: She Wants You (Cevin Fisher Instinctive Club Mix) 04: She Wants You (Interactive Element)
|  | Innocent UK | SINDX6 | 7 Dec 1998 | CD2 | 1 | | |
 | Billie
01: Honey To The Bee (Radio Edit) 02: Call Me 03: What's Missing
|  | Innocent UK | SINCD 8 | 22 Mar 1999 | CD Single | 2 | | |
 | Steps, Tina Cousins, Cleopatra, B*Witched, Billie
01: Thank ABBA For The Music (Radio Edit) 02: Thank ABBA For The Music (TTW 12" Remix) 03: Thank ABBA For The Music (Karoake)
|  | Epic UK | ABCD1 | 29 Mar 1999 | CD Single | 1 | | |
USA |
 | Billie
01: She Wants You 02: She Wants You (Cibola Radio Mix) 03: She Wants You (7" Disco) 04: Because We Want To
|  | Virgin USA | 7243 8 38658 2 | 1999 | CD Single | 0 | | |