Battle of the Day

Kate Upton vs Britney Spears

Kate Upton in lingerie
Britney Spears in lingerie

Kate Upton

Britney Spears

Kate Upton appeared on Spike TVs "Lip Sync Battle" and performed Britney Spears hit song "... Baby One More Time"

So who is hotter, Britney Spears at her prime or Kate Upton?