By Sam Elliott-Gibbs Eurovision royalty Cheryl Baker reckons she knows who will be tonight’s big winner – and selected the shock tip to try and topple the favourites. Croatia’s Baby Lasagna will take some stopping the star says but she thinks there’s a good chance Irish act Bambie Thug have what it takes to really make the fancied nations sweat this evening. All eyes will be on Malmö, Sweden, later on and Cheryl reckons it will take a lot for the UK to be celebrating. The Song Contest legend fears Olly Alexander has little chance of success even though she desperately wants him to do well as s…