Kendall Jenner
Kendall Jenner Reuters

Could this be true? "Keeping Up With The Kardashians" star Kendall Jenner and Justin Bieber will be starring in a Calvin Klein ad together? Fans of both stars are on a field day about the rumour that the two are teaming up after reports spread out that they are in New York City for a shoot.

Both Bieber and Jenner have already hinted that they are fans of the brand. Just recently the KUWTK star posted a pic on Instagram of herself wearing Calvin underwear on March 14. Wearing saggy jeans to show off her toned body, Kendall was photographed with her CK briefs and CK bra while flashing a big smile at the camera.

"Morning! just going to hang out in #MyCalvins alllll day! ... thank you @calvinklein for my little gifts," wrote Kendall on her Instagram account. Days after posting the racy photo, the Canadian superstar also posed on his Calvin undies and posted it online for the whole world to see. Could this be a big coincidence?

But a source tells E! News that Kim's step-sister is nowhere around New York for the last few days which could only mean that the news about working with the brand is null and void. "As a policy we don't comment on rumours," according to Calvin Klein's spokesperson when asked to confirm about the speculation.

The 18-year-old model may not be in NYC in the last few days but she was spotted in the Big Apple on Monday amid rumours that she and the Biebs are shooting an ad together. Wearing skin tight black jeans, a leather biker jacket, black ankle boots and a scarf, the star looked hot and ready for a close-up.

Kendall Jenner: (Almost) All-Black Everything -- Check Out Her Chic, Belly-Baring NYC Look! @KendallJenner http://t.co/UQKJJhPjXE

— TeenInfoNet (@TeenInfoNet) April 29, 2014

The CK rumour could be the reason why the controversial couple Justin Bieber and Selena Gomez are having some issues. After hanging out with Kendall and Kylie Jenner, Selena delete their pictures and them from her Instragram account. To add insult to injury, there are some rumours that the "Boyfriend" singer hooked with Kylie and based on some reports the "Come & Get It" singer doesn't want to be associated with the sisters. The two were last seen together in Hollywood where she visited him at a recording studio.