Fill a shaker with ice, add vodka, St-Germain, berry simple syrup, pineapple juice, lemon juice and lavender bitters. Shake vigorously. Double strain into a coupe glass.

*To make berry simple syrup: Add 1 cup water, 1 cup sugar and ½ cup mixed berries to a saucepan. Heat and stir until sugar is dissolved. Continue to cook for 15 minutes, then strain into a glass jar. Allow to cool and refrigerate. Store for up to 2 weeks.