We already know the cast of Glee will be performing songs from Madonna, but what do the actresses actually look like dressed as Madonna?

To promote the upcoming “The Power of Madonna” episode, the ladies of Glee - with help from Matthew Morrison - channeled the iconic singer through the ages. The spread will be included in TV Guide Magazine‘s issue hitting the stands on April 15.

You can see view behind-the-scenes footage from their photo shoot after the jump. You can also preview the Madonna songs - including “4 Minutes,” “Open Your Heart” and “Express Yourself” - that will be featured on April 20.