According to the website, Soundgirl, Six‑D, Belle Amie and Oh My! will be performing in Trafalgar Square after the day's parade through the streets of London.
Bucks Fizz will be also performing earlier in the day.
Belle Amie and Soundgirl have been granted ten minutes each, Oh My! have 15 minutes and Six‑D have 20 minutes in which to entertain the liberated folk of London. This is the perfect length for such a pop performance.
According to Twitter, Oh My! "can't wait" for the event.