In this tutorial you will learn how to create this beautiful star
1 – Create a new document 400px by 400px
2nd – Select the gradient spectrum with the following properties and play with it in the document
3- Edit -> Transform-> Perspective
4 – Duplicate Layer
5 – Edit -> Transform -> Flip Vertical and place on Lighten and merge layers
6 – Duplicate Layer
7 – Edit -> Transform -> rotate 90 cw and place in Lighten and merge layer
-That’s it! you created a beautiful star! Congratulations! 
