* Cindy Lou IS WHO? 😱 ... Remember the little girl who played Cindy Lou Who in The Grinch (2000)? Well she's not so little anymore. In fact Taylor Momsen is 28 now and fronts her own rock band called The Pretty Reckless. 🎸🎸🎸 #themoreyouknow #theprettyreckless #BEHINDTHECHAIR #cindylouwho