There's some pictures online of him being right in the ref's face complaining about it.
https://www.theguardian.com/football/2022/dec/28/mbappe-snatches-winner-for-psg-after-neymar-red-card-against-strasbourg
And he stropped off before the game had finished.
Not just an overrated, penalty bottling cheat, he also left the stadium before the end of the game because he was throwing a tantrum about being sent off.