The new Spring 2016 ad campaign from Calvin Klein is equal parts sexy and star-studded, featuring stripped down looks from Justin Bieber and Kendall Jenner, alongside big names in music like Kendrick Lamar, Fetty Wap, FKA Twigs, and Joey Bada$$.

The latest clip from the campaign is a compilation of shots of the stars—done by Tyrone Lebon—overlaid with their answers to the phrase "I ______ in #mycalvins." It's also soundtracked by music from Joey Bada$$ himself. Watch the steamy, uber-hip clip below (courtesy of PeopleStyle):

Speaking to PeopleStyle, Bieber and Jenner both discussed what it was like stripping down and posing in front of the camera for CK's new campaign and the kinds of music they like to hear during the shoots.

For Bieber, the notion of wearing nothing but underwear isn't the least bit awkward. In fact, it's pretty natural: "I’ve been doing photoshoots since I was a kid, so I am comfortable in those situations at this point." And while he played his own album Purpose, he explains that his choice of music “depends on my mood. Sometimes, I want it to be calm and other times I want to be really hyped — so it all depends."

For Jenner, however, these types of shoots aren't immediately comfortable, although she quickly acclimates once the cameras start flashing. "Explaining that kind of thing with words is always tricky," she begins, "but it’s just this rush and a big part of what attracted me to modeling in the first place." As for Jenner's taste in music, she had this to say: "All you really need is a good playlist and the rest sort of falls into place."

The reality of being in "such an iconic ad" still hasn't fully sunk in for Jenner. She remembers growing up and "obsessing over [the ad] each time I saw its campaign in magazines" and likens her involvement to a roller coaster.

Bieber and Jenner have also posted stills of themselves from the campaign via their respective Instagram accounts yesterday (January 26). Bieber flaunts in his Calvins, while Jenner "want[s] to be with you" in hers.

I flaunt in #mycalvins. Introducing the @CalvinKlein spring 2016 campaign

A photo posted by Justin Bieber (@justinbieber) on




I want to be with you in #mycalvins. My new Spring 2016 @calvinklein campaign... What do you do in yours? A video posted by Kendall Jenner (@kendalljenner) on

See Photos of Kendall Jenner's Style Evolution