Help PLease my son formatted my work hard drive (My Passport Essential SE)

This weekend my son formatted my work hard drive by mistake and I am crying cus all of my design are on there. PLEASE someone tell me that there is a way to get it all back. here is my info bennygdesigns@ymail.com PLEASE HELP

it is a ( My Passport Essential SE ) thank you 

Data recovery is you best option. Try some of the data recovery agents.

http://support.wdc.com/recovery/index.asp?wdc_lang=en