Billy Connolly has stepped out wearing an interesting choice of outfit as he headed for the shops in Florida.Posing with a Celtic face mask, a fedora hat and a pair of tartan shorts, Billy's wife Pamela jokingly poked fun at his choice of outfit as he headed outside in the glorious sunshine.Taking to Twitter, she wrote: "Billy’s fashion secret!"And as she shared her husband's choice of outfit on camera, she said: "Billy you're such a fashion maven, what's your secret?"Billy giggles and replies: