There are a few things you can do to create a star shape in Photoshop. The first is to select the Rectangle tool and click on the bottom-left corner of the star. Then, drag the rectangle up or down to create a star shape. The second thing you can do is to select the Star tool and click on one of the points on the rectangle. Then, drag and release to create a star shape. Finally, you can use the arrow keys to move the stars around.