"I wasn't nervous. My only problem was trying not to trip on the polished stage in my six-inch heels. I've never worn a pair that high and could hardly walk. Donny was helpful - he put his arm around me and held my hand. But I was too shy to say anything." Scottish singer Susan Boyle was a little unsteady on her feet when she performed with her idol Donny Osmond in Las Vegas earlier this month (Oct12).