Kylie Jenner, Tyga Officially Come Out At His Concert: Couple Tease Fans About Secret Relationship [PHOTOS]

"Keeping up with the Kardashians" reality star, Kylie Jenner was spotted backstage of her rumored boyfriend, Tyga's concert. 

The 17-year-old posted a sexy photo of herself backstage with a caption that read, "Promise to love you & obey & let you..."

Was the message for the rapper?

Although the couple were not snapped in the same picture, Tyga uploaded a photo of him with the same background captioned, "They tell me I'm gainin weight, I tellem I'm gettin paid. #LastKings."

In an interview with Ryan Seacrest radio show, the reality star's mother, Kris Jenner denied that her 17-year-old daughter is in a relationship with 24-year-old "Rack City" rapper.

"Kylie isn't dating anybody. This whole little group of kids who have been around forever. And I call them kids because relatively speaking, they kind of all travel as a pack and they enjoy each other's company." She added that the pair are so close do to their homes being so close to each other, "We all live in the same neighborhood. [Tyga] used to live across the street for a long time, and now he lives next door to Khloe. Everyone's always around and with the way I cook, they're not leaving."

Recent photos of the youngest reality star in the family and rapper were taken in in Bordeaux, France airport according to 36ng.com. Despite rumors of the couple's romantic relationship, sources tell Hollywooflife.com that the pair just have a working relationship.

What do you think?