Suggestions by @user_1564

Destiny's Child

as No, No, No Part 2 in Who should sing which NickRewind song?

Score: +2

Backstreet Boys

as I Want It That Way in Who should sing which NickRewind song?

Score: +1

Aaliyah

as One in a Million in Who should sing which NickRewind song?

Score: 0

Hanson

as Mmmbop in Who should sing which NickRewind song?

Score: +1

LFO

as Girl on TV in Who should sing which NickRewind song?

Score: +1

Britney Spears

as ...Baby One More Time in Who should sing which NickRewind song?

Score: +7

Spice Girls

as Wannabe in Who should sing which NickRewind song?

Score: +2

Soul for Real

as Candy Rain in Who should sing which NickRewind song?

Score: +2

Mandy Moore

as Candy in Who should sing which NickRewind song?

Score: +4

Mariah Carey

as Always Be My Baby in Who should sing which NickRewind song?

Score: +3

Christina Milian

as AM to PM in Who should sing which NickRewind song?

Score: +2

*NSYNC

as Bye Bye Bye in Who should sing which NickRewind song?

Score: +2

No Doubt

as Just a Girl in Who should sing which NickRewind song?

Score: +1

Nani Lorice

as Fontaine Thomas in The Fairy in the Cupboard

Score: +1

Kiara Lorice

as Anna Thomas in The Fairy in the Cupboard

Score: +1

Simba Lorice

as Liana Thomas in The Fairy in the Cupboard

Score: +1

Matthew Wood

as General Grievous in Disney INfinity 4.0

Score: +1

Michael James Shaw

as Corvus Glaive in Disney INfinity 4.0

Score: +1

Tom Woodruff Jr.

as Xenomorph in Disney INfinity 4.0

Score: +1

Taylor Kitsch

as Gambit in Disney INfinity 4.0

Score: +1