Director: Garth Jennings and Christophe Lourdelet Starring: Matthew McConaughey, Reese Witherspoon, Seth MacFarlane, Scarlett Johansson, John C. Reilly, Targon Egerton,  Tori Kelly, Jennifer Saunders Written by: Garth Jennings Running Time: 108 mins Cert: U Release date: 27th January 2017 Having endured the eternally happy-clappy Trolls, the thought of another musical animation based around a singing…