If you’re in the mood for some serious head-scrambling, then pull up a chair and get ready to be tested on 20 topics in The Mirror’s pub quiz . In store this week, you can expect to be grilled on Christmas adverts , popular baby names, AND the UK’s largest cathedral. From iconic WAGs through to Olympic gold medals, we have searched far and wide for some baffling brainteasers just for you. Whether you’re a Love Actually superfan, or you prefer tuning into I'm A Celeb every night, there’s no