In May 2016, she had to cancel a concert at Portugal’s music festival, Rock in Rio, due to infections in her throat and sinuses.
I have a throat and sinus infection, and my doctors have advised me not to sing for a few days. I promise to make it up to you and give sinus allergies you the best show I'm capable of when I return. Again, I'm so sorry to the babes who were coming to see me. I love you with all my heart.
The inflammation blocks the air passageways, causing mucus to increase. This condition can be caused by something as simple as the common cold.