Great idea Pedro, thanks for starting the thread.All the theatrical nudity I've seen is post 1995 but I hope it's ok to post about them.
I will start in 2007 as it's a rare one with a couple of photos.
Alice Coulthard currently of Emmerdale appeared in Keeler at the Gatehouse. She had one nude scene and two or three topless scenes. A pic from the rear view of the nude is below. There may have been brief bush flashes as she was undressing and covering up after that scene but it was too quick.
The absolute highlight was a topless
Stacey Cadman dancing in a tiny thong.