The ex-Southampton centre-back became the world’s most expensive defender after signing for the Reds on New Year’s Day.
And he looked overjoyed when he finally donning the famous jersey at Melwood on Tuesday (January 2).
The Dutchman was filmed jogging around the training pitch in the short clip posted by Liverpool.
He also shared a joke with new manager Jurgen Klopp.
And fans watching the moment absolutely loved it.
“He looks happy, welcome to the best club in the world,” one wrote.
INSTAGRAM/LIVERPOOL FC
Another added: “I could seriously watch him run all day in that LFC training kit.
“Still can't believe it's happened after all the drama in summer.”
And a third commented: “I want someone to look at me the way he looks at Klopp.”
The 26-year-old has admitted Liverpool is the “perfect match” for him and his family.
Liverpool unveil Virgil van Dijk
GETTY
“Obviously there is a lot of money being paid, but I can't do anything about that money,” he said. “It's only the market.
“The only thing I can do is just work hard, do the good things and be 100% every day.
“That's what I definitely want to do - and I am going to do.”
Van Dijk could make his first appearance for Liverpool when they host Merseyside rivals Everton in the FA Cup on Friday (January 5).