deny hes the dad ?

so my babys dad got a new gf in jan when i was pregnant i never seen him the rest my pregnacy when she came into the picture now i had my daughter july 19th n hes all of a sudden denying hes the dad and says she looks nothing like him like am i crazy for thinking my daughter looks like him even tho hes trying to say shes not his ? now his mew gf is pregnant apperently and he still hasnt even met or seen his daughter in person idk how to feel about all this :(