Eden Hazard said he was "not a Galactico, but I'll try to be" as he was officially presented as a Real Madrid player in front of a reported 50,000 fans at the Bernabeu.
The Belgium forward, 28, joined from Chelsea last week for a fee that could exceed £150m.
Hazard underwent a medical and then signed his five-year deal alongside Real president Florentino Perez.
"My dream ever since I was a child has been to play for Real Madrid," he said.
After signing his contract, Perez introduced Hazard, who first spoke in Spanish saying: "Hola todos" (hello everyone), before continuing with a short speech in French.
He then changed into the Real kit and walked onto the pitch, before kicking gold and white balls into the crowd and kissing the club's badge.
Later in a news conference, he said: "I'm going to try to become the best player in the world, but first I wanted to be in the best team in the world.
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