• CHRISTINA VS. MARIAH photo | Christina Aguilera, Mariah Carey

Credit: Tony DiMaio/Startraks; Fox/Getty

Published: Wednesday September 25, 2013 06:00 AM EDT

2013

CHRISTINA VS. MARIAH

First come the matching outfits – flirty pink Alaïa minis and major heels – then comes the album of duets and subsequent world tour. That's how it works, right? Yes? Please?



Sign up for our daily newsletter and other special offers.
    Choose your newsletters
Thank you for signing up! Your request may take up to one week to be processed.
    see all newsletters