Mark Wahlberg, a Hollywood star who is now a fitness celebrity, is providing the right kind of inspiration for the fitness industry. His social media pages are filled with videos of his trainees working out hard and accomplishing their goals. He is also the savior of the fitness training business F45 Training. However, one action calls into doubt his authority in the field. According to sources, he invested in the Flecha Azul Tequila company last year.