Who Is Stephanie Rose Bertram Kylian Mbappe’s Girlfriend Mbappe is smitten with a new flame. The talented athlete has recently become romantically involved with a beautiful girl. It seems love is in the air for Mbappe. He has been spotted on numerous occasions with his new partner. Admirers are eager to know more concerning this mysterious new love. It looks as though the French athlete has met a special someone who has stolen his heart. Let's wait to see whether this romance is for real.