"I think I watched it 10 times over and over again. I said, 'I just cannot believe this angelic voice'." Donny Osmond was stunned when he watched new duet partner Susan Boyle perform at her 2009 audition for TV show Britain's Got Talent. The Scottish star's performance in front of judges Simon Cowell and Piers Morgan turned her into an internet sensation - 100 million people checked out her public singing debut on YouTube.com in two weeks.