Kelly's partner popped the question in 2015 while the pair were on holiday in Malta.
The former reality TV contestant revealed she is on a strict wedding diet on her personal Instagram page.
'Can not wait to be off this Wedding diet so I can smash one of these Mac & Cheese Steaks,' she wrote alongside a photo of a cheese steak.
Meanwhile, Kelly's former MKR teammate Chloe split from her husband of less than a year in 2015.
The single mum and Luca Pietropiccolo revealed they grew apart.