Christina Aguilera Nails Spot-On Impression of Britney Spears [Video]
The radio airwaves in the '90s were heavily dominated by boy bands and solo female pop artists.
Some still are.
The rivalry between Christina Aguilera and Britney Spears as teenagers just starting their careers has dwindled since Spears' head-shaving incident in 2007, but the '90s kids still know the score.