The Loose Women star will mark the milestone on March 12 with a family party, but the big day will be 'bittersweet' due to her beloved sibling's absence.
The singer's death was revealed in a statement released by her agent Dermot McNamara, who said she passed away on Wednesday morning from double pneumonia .
The former Pop Idol winner, 44, chatted to panellists Kay Adams, Coleen Nolan, Penny Lancaster and Olivia Attwood, about her stunning weight loss transformation.