India, Dec. 13 -- From bedazzled denims to grungy throwback, these celeb looks prove that one jacket can shift an entire outfit's mood, and that leather is this season's most versatile wardrobe piece Monochrome made easy Ishaan Khatter builds his look around a classic black leather jacket, layered over a deep-V black vest that gives the outfit a monotone edge. Paired with relaxed black trousers and polished shoes, the look feels effortless. It's an easy winter styling cue: swap a basic tee for a vest to add dimension under a leather jacket....