2021 · What happened to Cindy Lou Who from The Grinch? American-actress-turned-musician Taylor, 28, was just seven when she played Cindy Lou Who in the 2000 hit movie, The Grinch Who Stole. 15 déc. 2021 · The Grinch’s Cindy Lou Who star Taylor Momsen is unrecognisable now after dramatic transformation Robert Mann Published: 6:12 ET, Dec 15 2021 Updated: 17:17 ET, Dec 15 2021 Robert Mann Published: Invalid Date, OVER two decades have passed since How the Grinch Stole Christmas came out - and it's still a Christmas classic.