Slice 1/4 inch off bottom of watermelon, lengthwise, to create stable base.
Use pencil to draw zig-zag lines for basket opening. Using paring knife, make cuts through rind.
Carefully remove top section, pull out large chunks of flesh and cut them into 3-by-3-inch squares.
Trim 3/4-inch thick slices off squares to use for cutting out stars with 1 1/2-3-inch, star-shaped cookie cutters.
Use ice cream scoop to remove flesh from inside basket and cut scoops into quarters for fruit salad. Place in bottom of basket. Add honeydew and blueberries; stir to combine.
Cut out white stripes from honeydew.
Garnish top of fruit salad with watermelon stars, honeydew stripes and blueberries.