The days of marching bands are over.
These days, halftime shows at the Grey Cup (and the Superbowl south of the border) feature some of the hottest stars in the entertainment world.
Take this Sunday's 100th Grey Cup game in Toronto, which will showcase performances from the likes of Justin Bieber and Carly Rae ("Call Me Maybe") Jepsen, along with pop-rockers Marianas Trench and beloved singer-songwriter Gordon Lightfoot.
How well do you know your halftime acts?
Take the quiz!