Natalie Cole wasn’t happy about Amy Winehouse’s five Grammy wins on Sunday night. “I don’t think she should have won,” Cole said of the British singer’s triumphs, People reported. “I think it sends a bad message to our young people who are trying to get into this business, the ones who are trying to do it right and really trying to keep themselves together.” Cole, who would have no career if she was not Nat King Cole’s daughter, said that giving Winehouse, who is currently in rehab the awards, was a bad move. “We have to stop rewarding bad behavior,”…