The ruthless Frenchman was a constant threat throughout as he once again showed his ability to perform on the biggest stage.
His first goal, a riffled shot into the roof of the net, had canceled out Lionel Messi’s earlier penalty and the youngster added a second after half-time as Barcelona keeper Marc-Andre Ter Stegen parried a shot into his path.
Moise Kean headed in a third for the Parisians before Mbappe completed his hat trick by finishing off a quick counterattack in the closing stages.
The result gives PSG a huge advantage ahead of the return leg on March 10, as Barcelona faces a mammoth task to progress to the quarterfinals.
More to follow…