THE WEEKND's GIRLFRIEND SHOWS HER BREAST IN NEW MODELING CAMPAIGN

That's The Weeknd's girlfriend, supermodel Bella Hadid. And she's looking good!

To see the FIRST UNCENSORED pic, click here

To see the SECOND UNCENSORED pic, click here

the two have been dating since April. The Weeknd sought out the model to be on the artwork for his second studio album, Beauty Behind the Madness. And he's pulling a little bit of a TYGA. The Weeknd is 25 . . . Bella is only 19. She comes from a famous family -- her big sis Gigi is also a model and her mother is Yolanda Foster of the Housewives of Beverly Hills.