These days it's hard working to make a decent check, and working as a waiter or waitress is no exception. When you spend money to eat out, you should know a tip will be included, but should you give the correct amount of only 10 percent, or should you go extra and give a waitress more? "MStars News" has learned that one singer pissed off a restaurant worker after leaving only $10 for the tip. According to The Shade Room, Keyshia Cole has one waitress upset, who claims the singer only gave a $10 tip for a bill that was more than $100. Now we say rumor because the gossip site reads that post like this one, called "Roommate Talk," are described as: "Roommate Talk posts are 100 percent user submitted and we cannot confirm the validity of these posts." Read More »