But the former Calvin Klein model's latest move is sure to get people talking.
Mark Wahlberg Investment Group and FOD Capital are buying a minority stake in F45 Training, valuing the Sydney-born franchise at roughly A$600 million.
With over 1500 studios across the 40 countries, the fitness trend has become an unstoppable force.
The Transformers star only got a taste of F45's offering back in November, but since his first session, he's given the fitness chain several Insta shoutouts, enough to put his money where his mouth is.
“The founders of F45 Training have done an incredible job building a global brand, and with this partnership, we hope to continue disrupting the fitness industry,” Mark Wahlberg said in a press release.
“The strength of F45 is that people of all fitness levels will find motivation and support in an F45 studio. We look forward to inspiring people all over the world to pursue their health and fitness goals by introducing them to F45.”
F45 will use the money to fuel their global expansion, hoping to sell around 70 to 80 franchises a month, with the aim of having over 2000 gyms by 2019.