you and the doctor had been traveling in the TARDIS when you had ended up in the 1800’s. You had to wear clothes that were typically worn in that time period so the doctor had given you some clothes

you wore a long dress with a corset and bustle. It was extremely tight, but it certainly looked like you’d blend in

“How do people breathe in these things..” you muttered, as you waited for the doctor to finish changing into his suit