By Vikki White & Nia Dalton Simon Cowell is back in his judge’s chair for the new series of Britain’s Got Talent and the music mogul is looking more youthful than ever. The 64-year-old insists he’s never had a facelift but says he does love Botox and fillers. Simon’s looks were the subject of ribbing from the ITV contest’s presenters Ant and Dec last year, with Ant joking about his “new face”. “I think its hysterical,” he told the Mirror. “I mean it just makes me laugh — I haven’t had a facelift or anything. “Over the years people have said that I’ve had everything done. I have had a bit of Bo…