Emma Bunton and Lady Gaga belt out Spice Girls classic together

Emma Bunton and Gaga have made us feel super nostalgic for the '90s.

Both singers have been pretty busy of late. Emma Bunton, aka Baby Spice, is working on a reunion-collaboration with fellow former Spice Girls Mel B and Geri Horner (née Halliwell). Meanwhile, Gaga has just released a new single called Perfect Illusion and is working on a new album.

The two hung out at Heart FM radio show in the UK earlier today. We think they make a pretty neat double act as they sing Spice Girls' 1996 hit 2 become 1.

Check it out:

Via Entertainment Weekly