The former 'Loose Women' panellist said she had been sent threats and abuse and had been trolled.
The singer said she understood why problems arise for child stars as she spoke about the new Britney Spears documentary on 'Loose Women'.
Joe Swash and Pamela Anderson starred in a 2009 TV special together.
The 'Loose Women' panellist said the rules surrounding international travel have been "a little bit woolly".
The presenter said she was 'a troubled soul' when she came to the show and that she would always be grateful for the platform it gave her.