After spending time together at a White House dinner and getting wet and wild for a fashion shoot, the teen singer says he and the reality star are keeping in constant touch even with their busy schedules.
"I have her on [BlackBerry Messenger] and we, like, talk all the time," the 16-year-old told Access Hollywood Wednesday before performing at a Nashville charity concert.
Calling their The Graduate-themed Elle spread "cool," Bieber says he knows just how lucky he is to have gotten the chance to work with Kardashian.
"She's really beautiful so that was … I mean, any 16-year-old would want to do a photo shoot with her," he says.
But there's more to the Keeping Up with the Kardashians star, 29, than just her looks. According to Bieber, "Beyond just being, like, extremely hot, she's actually, you know, a really nice person."