Here comes the cake!!
.
/^
/ (/^) /
( / ( /^
/ ) | _|_ | |/^|
| / _|_ | | _|_ /
_|_ | | | | | | _|_
| | | | | | | | | |
| | | | ****| |******| | | |
| |****| |**** | | | |****| |
*| | | | | | | |*****
* | | H A P P Y | | *
* *
| * B I R T H D A Y ! * |
| ***** ***** |
|@ ********** ********** @|
| @ @ ************* @ @ |
| @@@ @ @ @ @ @@@ |
| @@@@ @ @ @ @ @@@@ |
* @@@@@@ @ @ @@@@@@ *
* @@@@@ *
***** *****
********** **********
*************.