premise: Anneliese van der Pol acts.
hypothesis: Anneliese Louise van der Pol ( Born September 23 , 1984 ) is a Dutch and American actress , singer , model , and dancer . Following her early career in musical theatre , she was best known for her role as Chelsea Daniels on That 's So Raven . She made her Broadway debut in 2007 , and appeared Off-Broadway in 2009 . She has also acted in the 2010 vampire spoof film Vampires Suck directed by Jason Friedberg and Aaron Seltzer .