Matchbox: Why Jessica Biel Wanted to SWITCH STUNTS With John Cena (Exclusive)

Jessica Biel chats with ET's Emily Curl at the premiere of 'Matchbox,' streaming Oct. 9 on Apple TV. The actress breaks down what went into her stunt driving training and shares why she and co-star John Cena wanted to switch stunts. She also reacts to husband Justin Timberlake's song, 'SexyBack,' turning 20 years old. More from Entertainment Tonight:    / @entertainmenttonight   Exclusives from #EntertainmentTonight :    • NEW From Entertainment Tonight