At the 2010 Nastia Liukin SuperGirl cup ,she made her debut on the national scene, placing fourth all round. Douglas is one of the members of U.S team that won the gold medal at the 2011 World Artistic Gymnastics Championships in Tokyo, Japan. After that, in 2012 she won Olympics Trial and was selected to national team U.S at the Olympic London. At Olympic London, she with her teammates of the U.S Olympic woman’s Gymnastic team won the gold medal. American had been waiting this moment since 1996.
Her first experience with gymnastics came at the age of 3, when she perfected a straight cartwheel using a technique that she learned from her older sister, Arielle, a former gymnast. By age 4, Douglas had taught herself how to do a one-handed cartwheel.
Thanks to Arielle's persuasion tactics, Douglas's mother allowed her to begin taking formal gymnastics classes at the age of 6. Only two years later, in 2004, she was named a Virginia State Gymanstics Champion.
At the age of 14, she decided to leave her hometown and family to start her career become a gymnast.