These celebs are now household names and it's hard to believe that these successful people were viciously bullied as kids.
According to eBaum'sWORLD, celebs such as the duchess of Cambridge was tormented for eczema and being "skinny and meek."
But she didn't let the bullying stop her from being successful and now supports anti-bullying charities with her husband.
And can you believe that martial arts superstar Jackie Chan was also bullied as a kid?
Read more stories of celebs and their past in the gallery below.