Ashley Tisdale to co-star in "Hellcats"

Executive produced by "Smallville" star Tom Welling, the project centers on Marti (Aly Michalka), a college girl from the wrong side of the tracks who, after losing her scholarship because of budget cutbacks and the chronic irresponsibility of her mother (Gail O'Grady), joins the Hellcats, the college's competitive cheerleading team.Actress-singer Tisdale will play Sierra...!