The best way to smile in boudoir photos is to hire a photographer you will have fun with. There is no ‘best face to make’ during a boudoir shoot. And often times when someone tries to smile or make a sexy face, it looks forced and unnatural. Choosing the right photographer who can guide you through the poses and create an atmosphere where you will genuinely have fun is going to be your best bet.
Curious about how to choose the right photographer? Check out this article here: What Questions Should I Ask A Boudoir Photographer?