Brigitte Macron shoved French president Emmanuel Macron in the face as they disembarked a plane in Vietnam last year after she allegedly discovered texts he had sent to an Iranian actress, according to a new book. The incident went viral last year prompting speculation of a rift and subsequent denials by the couple who insisted that they were just “joking”. However a new account suggests that the real reason behind the altercation is that the first lady was angry after she saw a text by Emmanuel to exiled Iranian-French actress Golshifteh Farahani, says Florian Tardif in Un Couple (Presque) Parfait — An (Almost) Perfect Couple . Tardif, a political correspondent at Paris Match magazine, alleges that Mrs Macron, 73, was fearful that her husband, 48, may leave her for the actress after seeing the exchange. (AFP/Getty) Farahani, 42, has denied rumours that the pair were having an affair when questioned by journalists and has said that their connection was “platonic”.…