While walking around Byron Bay this month, The Hunger Games star showed off his tattoo on the inside of his right leg.
The 28-year-old actor has never been shy of revealing his love of the iconic savoury spread.
Speaking recently to Sunday Style, Liam said: 'After-school Milo and Vegemite on toast. I lived on it.'
The A-list couple have been spending a lot of time in Byron Bay recently, with many believing the two were there for a secret wedding ceremony.
However, Liam's brother Chris quickly shot down those rumours, telling SiriusFM: 'They're not married.'
Check out pics of Liam's new ink here.