The annual firework display was officially axed in October but City Hall bosses gave it the green light to go ahead this afternoon.
Jessie Ware and Paloma Faith are among the stars who will usher in the new year.
There are also messages from Gareth Southgate, Sir Ian McKellen and Sadiq Khan.
The 13-minute show will also feature music pre-recorded by Elton John and Dua Lipa.
Fireworks will go off across a range of locations in London as the country celebrates the start of 2022.