In 1999, Christina Aguilera released her debut album. Led by the single Genie in a Bottle and What a Girl Wants, it established her as a bubble gum pop singer in the vein of other 90s teen acts like Britney Spears and Jessica Simpson. Three years later, she released Stripped, an album that changed perceptions, garnered controversy, and turned her from teen idol to the “Voice of a Generation” in one fell swoop. Today, she’s considered one of the most influential and successful artists of all time. Here’s how we rank all 8 Christina Aguilera albums from worst to best.