The PDA comes amid bombshell cheating claims made by Jessika Power and Ines Basic, which Martha has strenuously denied.
According to Daily Mail, they claimed that Martha cheated on Michael at the start of their relationship, and wanted to leave him for a richer man who could "take her shopping at Gucci".
Martha denied all these claims to Daily Mail Australia, refusing to comment further.
MUST WATCH: MAFS' Ines Basic unleashes on Martha in brutal rant
The details come after last week the self-titled "K-Mart Kim" took to her 'Gram to show off jewels at Michael Arthur Diamonds in Sydney's Paddington.