Ready to start the weekend early? This Thursday Dirty Martini are offering a free Martini per person at all of their central-London venues. Sure it's a work night, but with free entry and a free drink, you can afford a bit of a blurry start to the weekend. Over 18s only. Valid ID required. Last entry: 11:00pm. One free Martini per customer, offer must be pre-booked. This event is free with guaranteed entry. You need to be registered to book, but rest assured, we won't charge you a penny.