ShowbizExposed: Charlotte's topless textCharlotte on the beach last year. !Alistair Foster|Evening Standard11 April 2012Singer Charlotte Church was said to be "very embarrassed" today after a topless picture she texted to her boyfriend was passed on to hundreds of other mobile phone users.The 19-year-old sent the photograph to Welsh rugby star Gavin Henson in a series of texts between the couple.But then the picture was forwarded to other mobile phones and even offered to newspapers for £20,000.Today it was claimed that the picture got out after 23-year-old Henson lost his phone while he was celebrating Wales's Grand Slam victory earlier this month.A source close to the singer said: "She is very embarrassed about this. It was just meant to be a bit of private fun between her and Gavin but now the whole world seems to have got hold of the picture."Her spokesman said: "The topless picture was taken by Charlotte herself on her mobile phone. She owns the copyright and if anybody prints it she will take legal action."MORE ABOUTGavin HensonMobile PhonesWales