The star is undergoing treatment for cancer.
The Nolan Sisters will be joined by Denise for the new series of their TV show 'The Nolans Go Cruising'.
She has been going through treatment at the same time as sister Anne.
Their late father Tommy is believed to have fathered a daughter in the early 1950s.
The 'Loose Women' star – who has seen three of her sisters undergo cancer treatment – admits she felt panicked about her own health,
The singer is undergoing treatment for cancer of the liver, while her sister Anne has been diagnosed with breast cancer.
The singer shared the good news on Morning Live where sister Linda also gave an update on her health.
The 69-year-old Nolan Sister underwent chemotherapy over the summer and doctors have told her results are fantastic.
The 55-year-old isn't able to visit her elder siblings while they undergo cancer treatments due to the vulnerable state of their health.
Coleen Nolan has admitted she is considering a mastectomy as sisters Anne and Linda Nolan both battle cancer
Linda and Anne Nolan have both been diagnosed with cancer during lockdown and are supporting each other through treatment.
Coleen Nolan has sent a message of positivity to sisters Linda and Anne after their cancer diagnoses.