If you are close, you can generally lose a lot of weight by shooting your head with a wide angle. . . Pay attention to the big head, only the head ~

The other is to let her shoot the profile, or find something to block her.

There is also the use of shadows and hair to modify the face and figure. . . . Bright places will diverge and dark places will converge. For example, standing on the edge of a dark building, there are usually some dark shadows on your face.

I've used them myself. More effective.

You can use adobe photoshop in the future.