For the fruit salad, segment the grapefruit and orange, catching the juices in a bowl. Squeeze more juice out of the remaining citrus fruit into the bowl. Set aside the orange and grapefruit segments.
Using a serrated knife, slice off the top and bottom of the orange ... add the fresh raspberries. Serve with chilled crème fraîche if liked. The bulk of the salad can be made the day before ...