It has been a week since Leonardo DiCaprio grabbed his first Oscar, but the Hollywood star is still in ebullient spirits, and celebrating the win by hitting the night clubs here.According to a source, DiCaprio has been in the best mood since the win, reports people.com. DiCaprio has been stepping out with his friends and living it up."Since his Oscar win, Leo keeps celebrating with friends. He has been at several LA clubs since Sunday February 28. He has been in the best mood," said the source. DiCaprio finally broke the jinx and took home his first Academy Award in the Best Actor category for his power-packed performance in "The Revenant" at the 88th Academy Awards.