The old Hilary is back! New show, new song, new hair — this is the season of Hilary Duff and everybody else is just living in it and/or complaining about how it’s still too cold outside. This latest single is called “Sparks,” and while we loved Hilary’s super chill single “Chasing The Sun” she dropped last year, “Sparks” super poppy upbeat feel is a refreshing …