Lady Gaga , a 24 - year - old pop icon known for wearing as little as possible once appeared on an educational video , the Daily Mail reported on Oct . 27 . Before gaining world fame , during her teenage years Gaga , Stefani Joanna Angelina Germanotta , as she was known then , took part in the short film which aimed to teach students about dealing with sexual harassment . By Moon Ye - bin ( yebinm @ heraldm . com ) Intern reporter