What happens when you put two of the most beautiful singers on the planet against each other? A battle for the ages. This week, we're putting Britney Spears' new single 'Work B*tch' up against Selena Gomez's latest 'Slow Down.'

Which song will be the winner in a diva edition of our Track Battle? You decide. Vote as much as you want below.

Britney Spears, 'Work B*tch'

Selena Gomez, 'Slow Down'