Christmas spirit swept the nation in 2000 when Cindy Lou Who more than doubled the size of our favorite Christmas villain's heart in 'How the Grinch Stole Christmas'. With a kind soul and an interesting hairdo, to say the least, Cindy Lou Who became a holiday icon.
So it might surprise you that just seven years later, the actress who portrayed Cindy showed up in New York City's Upper East Side -- a long way's away from Whoville. That's right, folks, Cindy Lou Who and little Jenny Humphrey from 'Gossip Girl' have one huge thing in common -- they're both played by Taylor Momsen.
Cindy Lou WHO? The celebrity you didn't know played your favorite Whoville resident
Taylor Momsen listening to Jim Carrey in a scene from the film 'How The Grinch Stole Christmas', 2000. (Photo by Universal/Getty Images)
12/14/00 New York, NY. Taylor Momsen at the Toy Fair Whobilation, celebrating Universal Pictures'' and Imagine Entertainment's upcoming live-action release of 'Dr. Seuss'' How The Grinch Stole Christmas!' Photo by Robin Platzer/Twin Images/Online USA, Inc.
Taylor Momsen during The 15th Carousel Of Hope Ball - Arrivals at Beverly Hilton Hotel in Beverly Hills, California, United States. (Photo by SGranitz/WireImage)
Taylor Momsen (Photo by Jesse Grant/WireImage)
Taylor Momsen (Photo by Jesse Grant/WireImage for The WB Television Network)
NEW YORK - MAY 17: (L-R) Actors Leighton Meester, Blake Lively, Nicole Fiscella and Taylor Momsen attend the CW Network Upfront at Madison Square Garden on May 17, 2006 in New York City. (Photo by Evan Agostini/Getty Images)
(EXCLUSIVE, Premium Rates Apply) Taylor Momsen of 'Gossip Girl' (Photo by Kevin Mazur/WireImage for The CW Network)
Actress Taylor Momsen poses on the press line at the Gossip Girl panel discussion at PaleyFest 2008 in Los Angeles on Saturday, March 22, 2008. (AP Photo/Dan Steinberg)
Actress Taylor Momsen attends the Conde Nast Media Group's Fifth Annual Fashion Rocks at Radio City Music Hall in New York on Friday, Sept. 5, 2008. (AP Photo/Peter Kramer)
Actress Taylor Momsen attends a private dinner to celebrate the opening of the new TOPSHOP TOPMAN Flagship store in SOHO on Tuesday, Mar. 31, 2009 in New York. (AP Photo/Evan Agostini)
Taylor Momsen arrives at the "Transformers: Revenge of the Fallen" premiere sponsored by LG Mobile Phones at Mann's Bruin Theater in Los Angeles, Calif. on June 22, 2009. (Casey Rodgers/AP Images for LG Mobile Phones)
U.S singer Taylor Momsen of The Pretty Reckless performs onstage, at the 2010 V Music Festival in Chelmsford, Essex, Saturday, Aug. 21, 2010. (AP Photo/Joel Ryan)
U.S. singer and actress Taylor Momsen attends a promotional event for a fashion brand in Hong Kong Thursday, Sept. 27, 2012. (AP Photo/Kin Cheung)
Actress Taylor Momsen attends the Alice and Olivia Spring 2014 presentation at Highline Stages on Monday, Sept. 9, 2013, in New York. (Photo by Andy Kropa/Invision/AP)
Taylor Momsen of The Pretty Reckless performs at Revolution Live on September 27, 2013 in Ft Lauderdale, Florida. (Photo by Jeff Daly/Invision/AP)
Mark Damon, Jamie Perkins, Taylor Momsen and Ben Phillips of The Pretty Reckless pose backstage for photographers at the Isle of Wight Festival in Newport on the Isle of Wight on Saturday, June 14, 2014. Thousands of people are to attend the three day event with headliners, Biffy Clyro, Calvin Harris, Red Hot Chilli Peppers and Kings of Leon.(Photo by John Phillips Invision/AP Images)
LAS VEGAS, NV - MAY 08: Singer Taylor Momsen of The Pretty Reckless performs onstage during Rock in Rio USA at the MGM Resorts Festival Grounds on May 8, 2015 in Las Vegas, Nevada. (Photo by Kevin Mazur/Getty Images)
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Seemingly living a life parallel to her on-screen personas, Momsen went through quite a transition herself, especially when compared to the sweet Who that convinced the Grinch to return all the Christmas presents he stole. In 2009 she joined an "aggressive rock & roll" band called The Pretty Reckless who produced an album called 'Going to Hell', including songs with names like 'Make Me Wanna Die' and 'F**ked Up World'. You get the picture.
Momsen aptly adopted a punk-rock countenance to match her grungy music -- rarely seen without intensely dark eye makeup, platinum blonde hair and ivory skin, the former gossip girl totally rocks the bad girl look.