Mekia Cox is an actress, singer and dancer. She was a dancer in the Michael Jackson concert series This Is It and the related film Michael Jackson's This Is It.
She has had recurring roles on 90210, Undercovers, Once Upon a Time as Princess Tiana, Almost Human, Impastor, Secrets & Lies, and Chicago Med. She has a starring role on the ABC police drama The Rookie.
From Wikipedia
Mekia Cox is an American actress and dancer, known for her roles as Sasha in the CW drama 90210, Dr. Robin Charles in the NBC medical drama Chicago Med, Princess Tiana in Once Upon A Time, and Detective Nyla Harper in the ABC police drama The Rookie.
In 2010, she co-starred as Lizzy Gilliam in the short-lived NBC spy drama Undercovers. She is also known for her role as a dancer in the Michael Jackson concert series This Is It and the related film Michael Jackson's This Is It, and for portraying Princess Tiana in the ABC fantasy drama Once Upon a Time.
As a youth, Cox had a history of dance and theater training experience. Much of her early work was associated with Universal Studios and Nickelodeon. She continued to train in the performing arts in high school and college. Subsequently, she toured nationally in stage productions of musicals, including Fame.