Article continues below advertisementIt was the slap heard around the world when Brigitte Macron allegedly smacked husband and French president Emmanuel Macron on a plane last year.A new book is now claiming she slapped him due to his alleged affair with Iranian actress Golshifteh Farahani.Article continues below advertisementNew Book Alleged Emmanuel Macron Was Texting Actress Golshifteh FarahaniTap Here To Add Ok Magazine as A Trusted SourceSource: MEGAEmmanuel Macron allegedly exchanged messages with Golshifteh Farahani.