I usually have makeup artist as she hold towels for the more to change or you can buy portable outfit changer cost like $25dlls in Walmart or amazon is something like tent easy and fast
I send you link if you want
Ig: johel.photography
Ask maybe your photographer already and if is the first time whit the photographer don’t go alone
I have done that and some models don’t care to change in front of me but I guess they trust me know they have my full respect in all times
GigaTent Portable Pop Up Pod Dressing/Changing Room + Carrying Bag https://www.amazon.com/dp/B00ZPZ7NLE/ref=cm_sw_r_cp_api_i_OG78EbF4BSEXF