Christina Aguilera wows with red tresses

Check out Xtina with the red hair. 

While at a "Hillary Clinton: She's With Us" concert at the Greek Theatre in Los Angeles on Monday, Christina Aguilera took the stage looking rather red-hot. She also showed off her new hue on Instagram.

From the comments, it looks like followers are in favor of Aguilera's makeover. They even compared her to the sultry Jessica Rabbit.

What do you think of the singer's new 'do? Sound off in the comments below.