Victoria and David Beckham had a special guest join them during their midweek date night – their adorable daughter Harper.The doting parents clearly didn't mind a third wheel tagging along for their romantic meal, as proud dad David shared a gorgeous photo of his youngest on Instagram.MORE: Victoria Beckham shares new photo of daughter Harper for important reasonWATCH: Victoria Beckham shares rare video of daughter Harper dancing"Pretty girl date night with Mummy & Daddy @victoriabeckham