Grapefruit Ginger Margarita

Make a grapefruit ginger margarita with this SheKnows how-to!
Ingredients:
3 large ice cubes
1 ½ oz. Reposado tequila
¾ oz. ginger liqueur
2 oz. fresh pink grapefruit juice
1 oz. fresh lime juice
Slice of grapefruit
Directions:
1. In shaker with ice, combine tequila, ginger liqueur, grapefruit & lime juice
2. Shake very well
3. Strain into chilled martini glass
4. Garnish with slice of grapefruit