I think they're friends. They follow eachother on twitter There were rumors that they went on a double date with Selena and Justin, Rihanna started following her on twitter too around that time
I remember that I kinda fangirled a bit but kinda scared at the same time lol
And Rihanna called Demi 'gansta' haha she probably freaked when she read that.
I never go on those websites, seems like all the members are always angry on there.
Too much negativity.
They're permanent angry.. at everything. The thing is also they're all around their mid-twenties who are obsess hating on teenagers. It's kinda pathetic