Angelina Jolie and Brad Pitt’s son Knox Jolie-Pitt is embracing his wilder side with a fiery new hairstyle. The 18-year-old was seen sporting spiked red hair with blond shaved sides as he stepped out in Los Angeles on Monday, August 10. Knox was all smiles as he jogged through the City of Angels wearing a cream T-shirt, black shorts, white socks and Crocs, according to photos published by the Daily Mail. The teenager looked relaxed and slightly sweaty as he enjoyed the afternoon sun on Monday, with his bold new hair color turning heads along his route. Related: Brad Pitt ‘Isn’t Ready to Give Up on His Children’: Source Julien M….