In a large bowl, beat butter, cream cheese, and vanilla with an electric mixer until smooth and blended.
Add powdered sugar, mixing until smooth, then beat on medium speed for 1 minute to lighten the frosting.
**Top cooled cookie cups with cream cheese frosting, using a plastic bag with the corner cut off to pipe frosting. Top with blue coconut (mix coconut with 1-2 drops blue food coloring) and strawberry segment.