"He and his crew spent $3 million on Armand de Brignac. They ordered 18 cases, then requested more bottles!," a source said.
While DiCaprio may have spent the huge amount, his party -which was attended by stars including Beyonce Knowles and her husband Jay-Z, Robert De Niro and Cameron Diaz - was in aid of a good cause.
The charitable star used the occasion to raise money for the Red Cross to help those affected by Hurricane Sandy by adding a fee to every bottle sold to be donated for charity.