Has hema malini ever been nude in movies?

she has revealed a lot in ,for e.g in the movie dream-girl,per panties are visible clearly when she crosses over a Jeep,in paraya dan,she has boldly exposed in bikni,in dus-numbri,her entire upskirt scene can be seen,in seeta and geeta there is a saree-strip from her,in sanyasi- her panty-lines are clearly visible in white wet saree.