Hamilton was spotted at the Empire Polo Club in California attending the music festival alongside his closest friends.
The Formula One legend was having such a good time that he even took his top off and danced with the rest of the crowd while topless.
The joint-record seven-time world champion shared photos of his time off at the nine-day festival on Instagram.
The 38-year-old posed alongside his mates close to the stage and inside his private bus.
The British F1 hero also revealed his bright and colourful outfits to his 32.3million followers.
Sir Lewis could be seen in a matching bright yellow shirt and trousers with both having a flowery orange pattern.
The Mercedes superstar is in the middle of a four-week break between races.
Hamilton came within touching distance of winning a dramatic Australian Grand Prix last time out.
But rival Max Verstappen and Red Bull once again proved to be too quick.
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Hamilton’s P2 result meant he secured his first podium of the campaign to lift him up to fourth in the driver standings.
The next race takes place on April 30 at Baku City Circuit in Azerbaijan.
And Hamilton will be looking for a big comeback after his time off at Coachella.