Tracy Chapman Totally Looks Like Landau from America's Got Talent
To be totally honest, I'm not convinced that one isn't moonlighting as the other one.
Glen from "Seed of Chucky" Totally Looks Like Ziggy Stardust (David Bowie)
... And so it passed that David Bowie and the Bratz Doll™ did maketh the sweet, sweet love, and unto them a child was born. A horrible, horrible child with amazing taste in music. THE END.