'Tis the season to be jolly, but that doesn't mean you need to deck yourself in anything less than seriously stylish swag. Whether it's a festive bar hop or a blowout New Year's Eve shindig, the key to effortless party cool is building your outfit around a killer key item.

Don't believe us? Watch our brand new Stylist lookbook — starring menswear gurus James Welsh and Kieron Watts along with the rest of the ASOS Stylist team — to witness the magical power of the statement party piece in action.