Tiffany (made famous by ~) (karaoke) / I think we're alone now

Whose song is Tiffany (made famous by ~) (karaoke) / I think we're alone now?

Artist Album
100 Hits Presents 80's Karaoke (1/5)
100 Hits Presents 80's Karaoke (1/5)
100 Hits Presents Girls Night Karaoke (2/5)
100 Hits Presents Girls Night Karaoke (2/5)
100 Hits Presents Karaoke (2/5)
100 Hits Presents Karaoke (2/5)
100 Hits Presents Love Karaoke (5/5)
100 Hits Presents Love Karaoke (5/5)
100 Hits Presents Party Karaoke (3/5)
100 Hits Presents Party Karaoke (3/5)