The 18-year-old striker helped Leonardo Jardim's team to win the domestic league title and reach the semi-finals of the Champions League last season.
He joined Monaco's rivals PSG on loan on transfer deadline day in a move that will become permanent for a reported fee of €180 million next year.
The exciting teenager netted as a substitute in France's 4-0 World Cup qualifying win over Netherlands last week, becoming the youngest scorer for Les Bleus in 54 years, before starting the 0-0 draw against Luxembourg.
And the latest adventure for Mbappe, who was reportedly a target for Real Madrid and other top European clubs, saw him arrive at PSG's Camp des Loges base and train with his new team-mates for the first time.
Mbappe could be partnered with PSG's world-record signing Neymar in attack away to Metz on Friday.