This is from a YouTube channel called Collective Cadenza.

They do a bunch a cool musical projects and experiments.

Here's the video the gif was taken from:

The woman's name is Dylan Moore.

Dylan Moore drinking gif:

Dylan Moore dancing gif:

Dylan Moore history of wooing men gfycat: http://gfycat.com/EmotionalThirdArcticseal

Another long Dylan Moore gif: http://i.imgur.com/IaH5fA7.gifv

Found in comments here: http://imgur.com/gallery/GSi6DZa

Stashed here:

http://pandawhale.com/post/64253/american-ninja-warrior-excited-gif

More about the History of Wooing Men in music:

http://pandawhale.com/post/15737/history-of-wooing-men-in-music