For guaranteed fun and a good-natured party vibe follow the St Patrick's Day Parade, complete with floats, marching bands and dance troupes. The route is scheduled to start at Hyde Park Corner, passing through Piccadilly around midday. This massive 50,000-person parade passes many iconic London sights\u00a0before ending\u00a0at Trafalgar Square. From there the festivities continue with a full show from Irish acts and guests, culminating in a good old singalong with London Irish Community Voices Choir. Now in its twentieth year, this year's festival line-up will be hosted by Riyadh Khalaf and includes food demos from renowned Irish chef, restaurateur and Masterchef: The Professionals judge Anna Haugh, children\u2019s workshops from Junk Kouture and performances from the Maguire O'Shea School of Dance, Sharon Shannon & Band and spoken word artist Leon Dunne. Other St Patrick's Day events and parties in London The day is absolutely packed with walking tours, Irish cinema, art events and comedy. Check out our guide to the best St Patrick's day parties for a full rundown of the best St Patrick's Day has to offer!