Michelle Collins has revealed her mum Mary has died after a two-year battle with cancer.The 59 year old EastEnders star took to her Instagram feed to announce the sad news with her 62,200 followers as she shared a gorgeous snap of herself posing with her late mum.The snap sees Michelle dressed in all black as her mum wears a stylish shirt. In the caption, she wrote: "My beautiful Mummy passed away on Friday 30 th April .