Brooklyn Beckham just shared the sweetest glimpse into his date night with fiancée Nicola Peltz, and the adorable duo chose to keep things simple for their romantic night in.SEE: Victoria Beckham shares rare family reunion with son Brooklyn – but someone key is missingInstead of wining and dining Nicola at a fancy restaurant, David and Victoria Beckham's son chose to cook for his wife-to-be at home.