“I’m pleased my mum wasn’t in the stadium,” he said at the time. “But to be honest I was singing along at one stage – it gets in your head and you find yourself whistling it at the end of your mark. “I’d braced myself to expect it and actually it was good fun, I actually quite enjoyed it. “There’s something about Ashes cricket that brings the best out of me, there’s a little bit more niggle playing against the Aussies.”  Broad told last week that his cheeky ‘like’ of a – when Smith received a let-off when he edged a ball behind on 97 in the first Test but stayed in the middle when there was no appeal from Pakistan – was simply “a bit of a laugh”. “I just chuckled really, just had a bit of a laugh,” Broad said. “I actually don’t think Pakistan really appealed, did they? “He was on 97. I would have been very surprised if he wandered off. “I think everyone knows the whole Australia and walking thing is a bit tongue-and-cheek and a bit of a laugh. “I was just on the (England) team bus and I was like, ‘Have you seen this boys?’ It was just a bit of fun. I think they (teammates) all had a bit of a chuckle.”