Mbappe, who scored two and set up two last weekend against Lorient, struck both sides of the interval, just like Neymar, to take his league season tally to 20 and put PSG on 71 points from 31 games.
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Parveen Singh
In Clermont, PSG overcame mediocre first half to ultimately blow out their minnow hosts.
Neymar put them ahead after six minutes, firing home with a low crossed shot after being set up by Lionel Messi.
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Six minutes later, Mbappe was at it again, benefiting from a nice combination between Messi and Neymar to curl a shot into the top corner.