Jack Whitehall’s big day has finally arrived, and what a show it is turning out to be. The funny man and his model love Roxy Horner said “I do” today at a stunning country manor in the Cotswolds. The whole event cost a cool £250,000. But the real star of the arrival moment? Jack’s mum, Hilary Whitehall. She showed up looking absolutely fabulous in a sparkling sequined gown.Picture this. A beautiful spring day in April 2026. Cars pull up to Euridge Manor in Wiltshire, a grand estate with rolling green fields, a peaceful boating lake, and elegant gardens. Guests step…