Actors Kaley Cuoco, left, and Johnny Galecki arrive at the 21st Annual 'A Night at Sardi's' to benefit the Alzheimer's Association at the Beverly Hilton Hotel on Wednesday, March 20, 2013 in Beverly ... more 
Actors Kaley Cuoco, left, and Johnny Galecki arrive at the 21st Annual 'A Night at Sardi's' to benefit the Alzheimer's Association at the Beverly Hilton Hotel on Wednesday, March 20, 2013 in Beverly Hills, Calif. (Photo by Jordan Strauss/Invision for Alzheimer's Association/AP Images) less 
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Associated Press
Thu, Mar 21, 2013 12:19 AM EDT