Exhibit 23
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (Nos. 333-162215 and 333-140196) and Form S-8 (Nos. 333-114837, 333-125091 and 333-166798) of Kelly Services, Inc. of our report dated February 16, 2012 relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.
     
/s/ PricewaterhouseCoopers LLP
 
PricewaterhouseCoopers LLP
   
Detroit, Michigan
   
February 16, 2012