Wikipedia: mi·mo·sa - noun
A Mimosa is a cocktail-like drink composed of three parts champagne or other sparkling wine and two parts thoroughly chilled orange juice. It is traditionally served in a tall champagne flute with a morning brunch or to guests at weddings.

Just Eat Smart: mi·mo·sa - noun
A bubbly, refreshing beverage to be had when one is hung over and cannot bare the stench of tequila.

Simple and delightful.

***The Ingredients***

Mimosa

1/2 oz triple sec
1 1/2 oz fresh orange juice
3 1/2 oz chilled Champagne
Orange slice for garnish