Frankie Bridge has bravely opened up about her mum's cancer diagnosis and how lucky she has been to catch it early as she prepares to do her second charity trek for CoppaFeel! later this month.The Saturdays singer said she was shocked to find out about her mum, Viv Sandford’s, diagnosis and that it made her realise that nobody is invincible when it comes to the disease. Frankie has spoken out following Strictly professional dancer Amy Dowden revealing that she had been diagnosed with breast cancer recently and praised the charity CoppaFeel! for encouraging people to check their breasts.The singer told The Mirror that her mum has now finished treatment and is “coming out of the other side” but said it is “still scary” to talk about it.