She recently had to postpone a performance due to doctor's orders and now Beyoncé Knowles revealed she also had tonsillitis during her Mrs. Carter Show tour.

On Tuesday (May 21), the 31-year-old songstress posted a video from behind-the-scenes where she gave fans an inside peek at her life.

In the clip, the Queen B explained before taking the stage, "I’m actually quite nervous because yesterday I was diagnosed with tonsillitis.”

“Hopefully I’ll give Croatians a great concert,” she adds. “I’m going to fight as hard as I can, and I know that God has my back.