Probably not the time or the place for us to shout 'Free Willy' in his face, is it?
Luckily for us it looks like it's been rather sunny and so naturally Liam took the opportunity to take his top off. We're just telling you this from a purely scientific view, obviously.
As well as hanging out with the family, it sounds like they've been doing all the theme parks and generally having a bit of an adventure too.
Bandmate Louis Tomlinson isn't the only one who has been befriending sea creatures either and Liam has apparently no only had a swim about with some dolphins, but been communing with some killer whales too.
"Had a great holiday so far! disney was amazinggggg went on tower of terror," he tweeted.
"Had a brilliant day yesterday @SeaWorld and discovery cove ! Swimming with dolphins was amazing!"
Let's pretend we are the fifth wheel in Captain Sensible's family and take a stroll through their holiday snaps shall we?
Click next for more - you might just spot another member of 1D in there too >>