Shirtless billionaires! Mystery models! Champagne in St. Tropez!

According to the celebrity news cycle, it's officially #YachtBoySummer. 

Ushered in by our favorite yacht guy David Geffen's long-awaited return to Instagram, the summer of European yacht excursions is being celebrated by the likes of Drake, Leonardo DiCaprio, and, of course, Elon Musk.

While Jeff Bezos waits for his own superyacht to work out its bridge problem, these A-list party bros have already set sail in style...

[Photo via The Wolf of Wall Street]