Pauley Perrette of NCIS became a convert to Twitter when she wanted to help a shelter.
Pauley Perrette of NCIS became a convert to Twitter when she wanted to help a shelter. CBS
Pauley Perrette of NCIS became a convert to Twitter when she wanted to help a shelter. CBS

More celebrities are becoming Twitterholics

August 19, 2011 12:00 AM