In a large bowl, combine the softened ice cream and sour cream and mix well. Add the brandy and orange liqueur and mix until well combined. Refrigerate until the ice cream has completely melted and the mixture is a sauce consistency, about 30 minutes.
Place the chocolate in a bowl set over a pot of barely simmering water. Make sure the bottom of the bowl does not touch the water. Stir the chocolate until melted and smooth.
Pour the ice cream mixture over the strawberries. Drizzle with chocolate and serve.