First, the promo saw Justin seated at a drum set, where he showed off his rapid drumming.
After a moment or two at the set, the Believe star finished off the steamy commercial by pulling in Lara for what appeared to be a kiss.
MailOnline was the first to exclusively report in July that Justin had shot an ad for the designer brand.
A Calvin Klein source said: "Justin has shot for Calvin Klein, we hope the results will be released later this year."
It was never confirmed whether or not Justin - whose signature style is low-hanging jeans with exposed briefs - had inked a deal with the company.
Justin shared the campaign spotlight with one of the hottest models, Lara, who is married to British comedian David Walliams, 43.
The mother-of-one has graced the pages of Vogue Paris, and has walked the runway for Chanel, MaxMara, Marc Jacobs, and Balmain.
Meanwhile, Justin has made no secret of his love for the underwear line, as he has exposed his Calvins while sporting his usual low-riding jeans on social media.
In September, the singer disrobed on the stage of Fashion Rocks, revealing his sculpted physique and his red-and-black Calvin Klein underwear.
The star joins Mark Wahlberg and Brooke Shields, who both starred in the steamy adverts in the early years of their career.
- Daily Mail
