“Thank you for joining us for a special evening of Champions League football featuring your beloved Aston Villa.”The Spanish champions were making preparations for the high-profile visit to their iconic ground.William, a lifelong Villa devotee, has regularly travelled across Europe to watch Unai Emery’s side whenever his schedule of royal engagements permits. He was also present at Villa Park last month for their commanding 6-0 demolition of Fenerbahce.Emery’s side arrived in Catalonia chasing a fourth successive victory in the Champions League league phase, having won all three of their matches so far this season.It represented their sternest examination yet, however, with Barcelona currently occupying top spot in LaLiga.