3. Gianluca Vacchi
This old Italian man is a living example of joy. Gianluca Vacchi, 50 years old, is often labeled as the coolest man on Instagram by some biggest lifestyle magazines. With over 11.2 million Instagram followers, you can see him hanging around with celebrities like Zac Efron, model girlfriend, dancing on peppy numbers. Those who don’t know, Vacchi is a millionaire and earns his wealth from diversified businesses.