Plus Harry reveals Niall's night-time activities..
Monsieur Horan has clearly stuck in Demi's head as she also felt the need to mention him repeatedly during a recent interview with We Love Pop.
First of all the canny interviewers asked her the purely professional question of whether she prefers 1D or The Wanted.
"One Direction all the way! I'm a huge 1D fan! I love Niall, he is soooo cute," she gushed.
"I hear he's really sweet and he's a cutey pie."
Whoah there partner. FYI we definitely had our eye on him first.
If that wasn't enough of a crush-fest, when asked which member of the lads she'd most like to swap spit with, she added: "I would snog Niall. I have a little crush on him."
You don't say. Click next for even more..