For best outputs:

Sampler: DPM++ 2M Karras.

Steps: 50, cfg 8, CLIP skip 2.

VAE: none required.

Pos prompt: despite this model is able to create many diverse things, it's particularly good at creating celebrities. Add "realistic, real photo, sharp details, 8k, HDR, f.1/2, 70mm lens, Kodak, Analog style" at the end of your pos to push its native realism a little further.

Neg prompt: "painting, sketch, worst quality, low resolution, mutation, deformed, deformed iris, duplicate, morbid, mutilated, disfigured, poorly drawn hand, poorly drawn face, bad proportions, gross proportions, extra limbs, cloned face, long neck, malformed limbs, missing arm, missing leg, extra arm, extra leg, fused fingers, too many fingers, extra fingers, mutated hands, blurry, bad anatomy, out of frame, contortionist, contorted limbs, exaggerated features, disproportionate, twisted posture, unnatural pose, disconnected, warped, misshapen, out of scale".

Checkpoint Merge.