'She asked and I said yes!' Fiona wrote on Instagram, alongside a photo of herself showing off her new engagement ring.
Hayley, a sports presenter for Channel Nine also shared pictures of the romantic moment – which took place at sunset on a private beach at The Moso resort.
'15.4.19 I asked, and you said yes!' she wrote. 'I can't wait to spend the rest of my life with you, Fee.'
Before dating Hayley, Fiona was in a relationship with personal trainer Lara Creber, before splitting in 2018.