Does it matter is the second question. Gay rumors seem to plague almost every male artist and while their sexual orientation should not determine whether you can still jam to their music or not haters gonna hate. Back to the pictures though, on the surface they look extremely fake, however upon viewing a video (seen below) the two do appear to share a kiss. Will we ever know?
PS: Get you somebody that looks at you the way Weeknd looks at Drake, thats real love.