Happy Birthday to Tim McGraw! The singer, who turns 45-years-old today (May 1), has proven to be a man of many talents over the last decade. Country artist, actor, father, cologne pitchman … McGraw wears many hats, figuratively and literally. To celebrate his big day, we’ve put together a gallery of all pf the best hats the ‘Back When’ singer has put on his head over the last decade. He’s proven to be quite a man of fashion!