Scottish singer Susan Boyle is set to embark on her first international tour after conquering her social and performance anxieties. The unlikely superstar shot to fame in 2009 on Simon Cowell's TV talent show Britain's Got Talent and she has gone on to amass a global fan following. However, she has refrained from heading out on a world tour over the years and only last summer (13) agreed to commit to her first string of live shows in the U.K. The gigs were a success and now Boyle, who suffers from Asperger syndrome, a form of autism which affects social and communication skills, is preparing to perform for devotees across the U.S. The 53 year old will kick off a 21-date trek in San Diego, California on 8 October (14) and wrap up the month-long shows in Jacksonville, Florida on 6 November (14). In a statement issued to WENN, she says, "This is a brilliant moment for me. I am so very proud to be announcing that I will be performing in my very own tour in the USA. This really is fantastic. "The past five years have been incredible and it just keeps getting better. I have spoken so often about wanting to tour America and be able to visit different cities for the first time, I'm so excited. This really will be fantastic and I can't wait for October. "The USA embraced and supported me from the beginning and it really feels like a second home so I can't wait to get on the road and perform there."