Former NYC waitress dishes on celeb tipping

In a new book called Rules for Saying Goodbye, a former waitress uses real-life details about celebrities and their tipping habits - or lack of. She dishes she once received a 15% tip from Gwyneth Paltrow, describing her as "not stingy, only stupid. I thought she probably couldn't calculate 15%," but says David Byrne tops the list of lousy tippers because he "never tipped in any of the three bars