jubilant

jubilant    [Joo-buh-luh nt]

adjective. full of high-spirit delight, filled with joy

"If you were a quarterback that threw a touchdown pass to win the Super Bowl, you would be jubilant."
"Iran's top diplomat was given a hero's welcome by a jubilant crowd Friday after reaching a framework nuclear deal that could ease crippling sanctions."
"As the final seconds ticked off, jubilant fans chanted, 'We want Duke! We want Duke!'"
"Jubilant song, Jubilant party, Jubilant moment."

http://www.vocabulary.com/dictionary/jubilant