We haven't seen Brunette Xtina in years!
The "Voice" coach and typically blonde bombshell revealed that she will have brown hair for her upcoming appearance on "Nashville." She gave her 14.3 million Twitter followers a peek at the new -- albeit temporary -- 'do:
— Christina Aguilera (@xtina) March 9, 2015
— Christina Aguilera (@xtina) March 17, 2015
Okay, so it's probably just a wig -- but we couldn't help but feel nostalgic for her darker days:
Thanks for the memories, Christina.