The French champions struck twice inside the opening 37 minutes via Juan Bernat and Neymar to put them in the driving seat.
However, James Milner’s successfully-converted spot-kick gave the Reds hope in first-half stoppage-time and the visitors pushed for a leveller throughout the second period.
But PSG were able to hold onto their advantage and it means it goes down to the final matchday in Group C to determine who progresses into the final 16, with Liverpool needing to defeat Napoli at Anfield to stand a chance of qualifying.
Read on for a summary of Klopp’s post-match press conference from Paris…
On his reaction to the game…
I had already 20 interviews after the game to explain it 20 times – and it still feels not good, of course.