MySQL - Ordering all data in alphabetical order but placing a particular item last

Assuming I have the following, data from a field:

Category Name
-------------

Games
Movies
All
Music
Software

I want to order the above data in alphabetical (ascending) order but I want 'All' to appear last at the bottom of the list. Not sure how to do this. Thanks.

ORDER BY category_name='All' ASC, category_name ASC

SELECT Category_Name, if(Category_Name='All',1,0) as orderAid
FROM CategoryTable
ODER BY orderAid, Category_Name