Largest gathering of people dressed as Madonna

Largest gathering of people dressed as Madonna
Who
2014 Fool's Paradise Drag Party
What
440 people
Where
United States (Fire Island Pines)
When

The largest gathering of people dressed as Madonna is 440 and was achieved by the 2014 Fool's Paradise Drag Party (USA) in Fire Island Pines, New York, USA, on 30 August 2014.