This is EVERYTHING we thought it would be and more!
Why? Uh, because it involves A LOT of her badonkadonk!
Really though, what do you expect when the song samples Sir Mix-a-Lot's Baby Got Back!
Ch-ch-check out the A$$-tastic video (above)!!!
We knew there had to be some truth to the rumors!
"I haven't asked him, but when I was at X Factor [USA, earlier this week] Alberto from security said Niall's girlfriend Barbara was here."
That sounds like they’re an item to us! Why else would she be there to cheer him on?!
Just hurry up and confirm it already!
[Image via WENN.]