Stephen and Ayesha Curry dress up as The Grinch and Cindy Lou Who as part of their 7th annual "Christmas with the Curry's" event in Oakland, Calif.

In addition to belting cult classic carols, she debuted a hair transformation that bore a striking resemblance to one of the most iconic Christmas characters in history: Cindy Lou Who.

A Michigan couple is trying to make Christmas a little better for some kids in hospitals by dressing as the Grinch and Cindy Lou Who to deliver gifts.

Krispy Kreme is bringing Dr. Seuss’ Who-ville to life with its new Merry Grinchmas Doughnut Collection, the doughnut chain announced Monday.

Even the Grinch's heart grew when he got to know Cindy Lou Who in the 2000 Christmas favorite. So what's the adorable little Who up to now, 15 years later?