https://civitai.com/models/44428/realistic-luxury-dress
Make sure you are aware on the usage instructions of LORA
Sampler: DPM++ SDE Karras (Recommended for best quality, you may try other samplers)
CFG Scale : 5 to 9
LORA weight for txt2img: reccomended 0.3-0.7
Keys: wearing luxury dress, hotel lobby, shiny dress
Adviced Image Size: 512x768
This LORA isn't easy to use, i advice to start the prompt with "a woman wearing luxury dress, DRESSCOLOR dress, shiny dress" or something similar