Designer Michael Kors and actress Gwyneth Paltrow have joined forces for a snuggly holiday collection of embellished peacoats, peplum sweaters and cashmere capes. Long-time friends, the duo collaborated on a capsule collection for Paltrow’s lifestyle website, Goop.com. The American designer was graciously amenable to the Oscar winning actress’ request to create a classic, stylish eighteen-piece collection just in…