Both reportedly kept it loose and laid-back, as they looked through binoculars while enjoying the sizzling Miami vibeānot to mention the, ahem, area's natural beauty: The bro-tastic buddies supposedly couldn't stop ogling and pointing.
The duo recently caught up with each other at Sean Penn's "Help Haiti Home" charity gala last month, where DiCaprio famously split a $400,000 winning bid for a day date with Bill Clinton.
DiCaprio's been lying low in Miami for the last few weeks, reportedly for his annual mother-son bonding trip with mom Irmelin, and he was also spotted partying it up with Naomi Campbell on a yacht.
Then again, the 38-year-old actor did vow to take a "long, long break" from movies following his recent workhorse shooting schedule. And if that means soaking up some sun with pals like Cooper, then consider us sold on that master plan.