'Texas Chainsaw Massacre' Turns 20: Why Jessica Biel's Reaction to Leatherface Is So Terrifying

Jessica Biel chatted with ET on the set of the 2003 remake of 'Texas Chainsaw Massacre.' In this behind-the-scenes interview, the '7th Heaven' alum explained why she held off on seeing Leatherface's mask and costume until they filmed their first scene together. Jessica shared what she loved about the iconic original film, adding that she did research on infamous series killer Ed Gein who inspired the 1974 horror classic.