While appearing on The Meredith Vieira Show, Nick talked about how the pic landed online and how we all have brother Joe Jonas to thank for it.
He explained, "That was his idea" to put it on Instagram, adding, "We were out in the city the other night and obviously it was the day Kim's shoot came out and he pulled it up on his phone and said, 'Oh my God someone just sent me this.' And I said you have to post that right now, you have no choice and he did and I think it's one of his most liked pictures on Instagram now."
We're not surprised.
As for Nick being so into sharing the hilarious photo, he said, "You've got to go all the way, if you're gonna do it...go full Kim here."
Nick also shared that a butt is one of his favorite parts of a woman, saying, "Yeah, why not? That's beautiful."