They drank pina coladas, texted on their iPhones, and took pictures of one another, oh and then they sent out more text messages.
This is how young lovers communicate these days - through text.
At one point Selena stretched all over Justin's lap and he proceeded to grab a handful of her cheeks. Naughty, Naughty.
The 17-year-old Under The Mistletoe singer got the ultimate co-sign from rapper MC Hammer who tweeted, "oh yea and I'm a proud @justinbieber fan. Any grown man got a problem with that don't tweet me, meet me and lets do it bully."
Hammer, please don't hurt 'em!
We know Justin has nothing to worry about, after all, he's got a gorgeous scantily clad girlfriend like Selena Gomez all to himself! Mariah Yeater, who?
Just check out these pictures of Selena Gomez and Justin Bieber on vacation.