17 She is allergic to perfume.
The multi-hyphenate is also a beauty mogul with her own line of fragrances, including Heat, Heat Rush, and Beyoncé Pulse. Because the singer is allergic to many different types of scents, her fragrances are chemically altered so that she can wear them.
18 She’s also an opera diva.
Beyoncé’s vocal range spans 3.6 octaves and is classified as mezzo-soprano.
