Cindy Lou Who has been played by several different performers in the main adaptations of “How the Grinch Stole Christmas.” In the 2000 live‑action film, she is played by Taylor Momsen.

Here are the best‑known versions:

• 1966 animated TV special “How the Grinch Stole Christmas!” – voiced by June Foray.

• 2000 live‑action film “How the Grinch Stole Christmas” – played by Taylor Momsen.

• 2018 animated film “The Grinch” – voiced by Cameron Seely.