Britain's Got Talent has been a staple piece of Saturday night TV since it first aired on June 9, 2007, entertaining millions.15 years after the programme first burst onto British screens, it's seen an array of hopefuls take to the famous stage hoping to land a spot at the prestigious Royal Variety Performance.With previous contestants including Stavros Flatley and Paul Potts leaving viewers speechless, it's no surprise that fans are still following them on social media.Daily Star has trawled through the archives and social media to bring you Britain's Got Talent's biggest transformations from over the years.Susan or SuBo to some is arguably Britain's Got Talent's stand out contestant.The Scottish native had the judges in stitches with her quick wit during her 2008 audition after saying she wanted to be "as successful as Elaine Paige." However, once she opened her mouth, everybody was left collecting their jaws up from the floor, with Amanda Holden saying it was the "biggest wake-up call ever," after an initial cynical attitude towards Susan.
13 years after finding fame, Susan has ditched her frizzy hair and instead looks every inch the superstar she is.The 61-year-old can often be seen donning sparkly floor-length gowns and hair styled to perfection and looks worlds apart from the shy aspiring singer she first appeared as on screens.Susan has gone on to sell over 25 million records across the globe and released eight studio albums.Birmingham-born Aiden, 25, first appeared in front of the judges in 2009, showcasing his epic dance skills.He reached the final of series three of the programme after bursting onto the stage with a performance of Flo Rida's Low.At his first audition, Simon Cowell told Aiden: "I think you're.
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