Christina Aguilera is known for being her sassy, confident sexy individual who don't only sing but acts an dances as well. Shes starred in her own film called "Burlesque" as a dancer who wanted to get away from her diner girl life and make it as a dancer/singer, the film was a huge hit all around the world as boosted her fame even more.
Her songs range from emotional to fun styled music, her voice is unique and it lets her sing in all styles which is why shes released so many song styles and is hard to describe her music style. Her first song was "Genie In a Bottle" which brought her into the music world as it was a huge hit in the 90s, however she is known for producing some sexually charged songs such as "Dirrty" and "Lady Marmalade" . but as i said she produced sad songs, fun songs, sexy songs all types of themes but it works with her as shes a woman of many talents.