Amanda Holden has recalled the terrifying moment she returned home from Simon Cowell's birthday party to find her daughter alone after the babysitter left.The 49 year old attended Simon's 50th birthday party back in 2009 with her husband Chris Hughes, when their daughter Lexi was just three years old. But the Britain's Got Talent judge, who has just released her debut album, was left horrified when she returned home to find Lexi alone.