Taylor Momsen portrayed the endearing and inquisitive Cindy Lou Who.
Momsen made the decision to abandon acting and enter the music business instead of pursuing a career in Hollywood.
The main singer of the metal rock band The Pretty Reckless is the actress-turned-musician, who made her debut in the Christmas classic at the age of seven.
Many social media admirers were obviously not aware of this change, and their responses when they learned about her new persona were invaluable.
A fan shouted: “Hold on. Can we simply go back to a previous topic? Is Taylor Momsen singing metal? What the fuck?
