This month is dance film Step Up's 10th anniversary — and we can't imagine how long it must feel for the cast!

After Channing Tatum and the rest of the cast danced their way into our hearts, the movie became an instant hit —and even spawned four sequels! Before you go and binge-watch the film series, check out how much the cast has changed since it's first premiere.

Click through the slideshow to see the cast of Step Up from then and now!