Edison Cavani, Neymar and Lucas Moura also scored for the visiting side.
Kylian Mbappe scored on his debut for Paris St-Germain and Edinson Cavani netted twice as the Ligue 1 leaders stretched their perfect start to five wins with a 5-1 rout of 10-man Metz on Friday.
The home side had left back Benoit Assou-Ekotto harshly sent off early in the second half for a challenge on Mbappe.
PSG switched to a 4-2-3-1 formation to accommodate Mbappe alongside Neymar and Julian Draxler behind Cavani. However, the star-studded attack looked crowded more often than free-flowing in the opening 30 minutes.
Cavani got PSG ahead in the 31st minute when he rounded Metz keeper Eiji Kawashima and fired a clinical finish after he was put through by Neymar.
The home side equalised with their first meaningful move in the 37th minute as Emmanuel Riviere headed home from three metres after a pinpoint cross from the right by Mathieu Dossevi.
Mbappe then scored PSG's second with a low strike from the edge of the penalty area.
Assou-Ekotto was given his marching orders for cutting across Mbappe with a two-footed challenge after clearing the ball first and PSG's acquisition restored his side's lead shortly afterwards with a trademark piece of individual skill.
Neymar made it 3-1 with a crisp shot from 20 metres before Cavani grabbed his second of the night and seventh of the campaign.
Substitute Lucas Moura bundled in the fifth in the dying minutes after yet another defence-splitting pass from Neymar.
The result left PSG in the driving seat with a maximum 15 points from five games.
Second-placed champions Monaco, who have 12 points from four games, visit Nice in Saturday's standout fixture while third-placed Girondins Bordeaux have nine points from five games after a 0-0 draw at Lille earlier on Friday.
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