
Vogue editor-in-chief Anna Wintour starts every day with an hour of tennis.

Actress and fashion icon Audrey Hepburn had a fascination with the number 55, and would often request the number for her dressing room.

Megastar Beyoncé has an elaborate pre-show ritual that takes a few hours: a prayer, a stretch, a chair massage and an hour to herself while listening to her favorite playlist.

Designer Coco Chanel believed that five was her lucky number. She named her perfume "No. 5" and opted to present her collections on the 5th of May.

Author and illustrator Theodor Seuss Geisel -- otherwise known as Dr. Seuss -- had a collection of more than 300 hats. He would wear them to overcome writer's block.

Mexican painter Frida Kahlo's love for gardening can be seen throughout her work. The plants and flowers from her garden at home -- which she looked over at her from painting station -- are often seen throughout her works. Her last request before her death was to be pointed towards the garden.

Artist Georgia O'Keeffe would often turn her Ford Model A into a painting studio. She would shift the seats around and use the back seat as an easel to paint.

Architect I. M. Pei often creates drawings at night in complete darkness, conceptualizing structures in his mind before putting his ideas down on paper.

Canadian musician Leonard Cohen would gather his band to chant a song in Latin in order to make the musicians feel motivated and unified before taking the stage.

Actress Lupita Nyong'o revealed that she often knits in her dressing room before an on-stage performance.

Ballet dancer Misty Copeland listens to music -- preferably hip-hop -- before taking to the stage.

Famed artist Pablo Picasso would hold on to personal items -- from old clothes to hair trimmings -- in an effort to retain his essence.

Spanish painter Salvador Dali would carry a piece of driftwood to ward off evil spirits.

Before performing, artist Yoko Ono would light a match and watch it extinguish, in order to give her a sense of calm. She eventually turned this ritual into a performance titled "Lighting Piece."