Christina Aguilera has rocked some sexy hairstyles through the years. She's now a judge on the show "The Voice" where she can showcase her hot look all the time! Here's a young Christina Aguilera with crazy hair colors #1
Here's Christina Aguilera accepting a Grammy with sexy, long, and natural hair #2
Here's Christina Aguilera with her hair style from Burlesque
Finally, here she is with short and sexy shoulder length hair