If for some reason you don't end up finishing your Champagne, margaritas, or vodka, you can use it for skin treatments and nail art. I haven't tried any of these personally but people on the internet vouch for them.
Margaritas make great body scrubs:
Beauty blogger Nancy Valentino claims that the tequila and lime work together to clarify and detoxify skin. Mix a cup of sea salt, two ounces of olive oil, three-quarters of an ounce of clear tequila, and the juice of one lime. Apparently, the tequila can also be substituted for Skinny Girl Margarita, because the last thing anyone wants is a fattening body scrub.
Source: cincinnati.com
Use vodka to create newsprint nail art:
This nail trend is striking, and easily achieved using the handle of vodka you've kept in your freezer for years but never actually seem to drink.
First, paint nails a light color. Then completely soak them in vodka for about five seconds and hold your chosen piece of newsprint over them for up to thirty seconds. Carefully peel back the paper, apply topcoat, and, what the hell, take a shot.
Source: samanthafranz-samiiryanstorybookna.buzznet.com
Vodka can also be used to make your own fragrance:
Make Fragrances has recipes for smelling like "Rain Shower" or "English Country Garden," but you could play around with different ingredients and find your own combination.
Source: flowerstoukraine.com