Original for context: 

that's great!  slow it down and reverse it and anna's getting all sexy on hans!

i wonder if they played with that in the pixar studios just for laughs. (i often wonder about the pixar studios... i imagine it to be like wonka's factory of magic deliciousness!)

Pixar is a lot like the Wonka factory! And they do have a sense of humor so they probably played it.

his hand going up to gently embrace her is the perfect touch!

You're so right. You know, they probably did make this so that it could be reversed!

that's what i'm starting to think!

It's the attention to detail that make this movie stand up to repeat viewings.

Which in turn have made it one of Disney's most successful franchises:

http://pandawhale.com/post/43469/frozen-one-of-disneys-biggest-movies-ever

Another Frozen reverse gif:

Imgur comments: http://imgur.com/gallery/nPebvFJ

Reddit comments: http://reddit.com/r/funny/comments/26dhjd/the_best_reversed_gif_ever/