The 27-year-old frontman cooled off in the summer heat by jumping in the ocean and sun bathing shirtless alongside brother Nick.
Joe, who found fame as part of sibling band the Jonas Brothers, was spotted smoking a cigar and drinking beer with his bandmates.
"Leaving a sweatshirt is understandable, but a toothbrush is a statement. If you really think about it, no one wants morning breath.
And you're obviously staying over quite a bit—I mean, no one has more than one toothbrush, right?
Here's everything you need to know about Joe Jonas: Age: 27 Twitter: @joejonas Instagram: joejonas Best known for: Being in the Jonas Brothers alongside siblings Kevin Jonas and Nick Jonas.
The trio rocketed to fame in Disney's 2008 movie Camp Rock and follow-up Camp Rock 2: The Final Jam.
She looked chic in a pair of white framed sunglasses and tied her blonde locks back with a pink scrunchie.
Jin Joo held a can in her right hand and placed her left hand on her lap as she stared out to sea.
And with the Jonas Brothers, even if they pretend as if they’re alright with it, you get the feeling that they wished the rumors didn’t exist at all.I would say it's gotta be a few visits before that conversation happens.""Only a few? " Jonas asks."Leaving a toothbrush is a commitment," Graham responds."That's like, we've already had the BF/GF discussion, we're going in!They shot to fame in 2016 when their platinum summer anthem Cake by the Ocean hit the top five in the UK charts.And DNCE took some much needed time off near Cannes as the quartet relaxed on a yacht on Wednesday, but Joe Jonas' girlfriend, Game of Thrones star Sophie Turner appeared to miss the party.That's kind of a big moment in a relationship, right?