Battle Tracks: Spice Girls & Robbie Williams & Emma Bunton - 2 Become 1

"2 Become 1" is one of pop legend for a ballad song. Originaly was released as single for the first time by English girl group Spice Girls on 16 December 1996. This song was written by Spice Girls with Richard Stannard and Matt Rowe for Spice Girls debut studio album "Spice". Now, the song is covered by Spice Girls member Emma Bunton for her fourth studio album "My Happy Place" and also this song is featuring English boy group Take That member Robbie Williams. Which one is better? Both version is featured Emma Bunton's vocal as group and solo duet.