She started her career as a backup dancer for Janet Jackson , and later worked with artists including Christina Aguilera , Pink , and Missy Elliott. She is known for her role as Nora Clark in the film Step Up. As a child, Dewan moved frequently; she mentioned in an interview that she lived in seven cities before reaching the seventh grade. She was also a varsity cheerleader there and was voted prom queen during her senior year. She portrayed the role of disciplinarian Coach Emma Carr.
In May , NBC picked up the series for a full season. The series premiered on September 19 to 5. Due to low ratings, NBC cancelled the series after just three episodes in October This was first released in Germany in It was later released in the United States in November Dewan appeared in the romantic-comedy film 10 Years , alongside her then-husband Channing Tatum, who also co-produced.
The film was released on September 14, That same year, she appeared as Teresa Morrison in American Horror Story: Asylum , the second season of the horror television series.
She joined the cast of ABC 's The Rookie as Bailey in its third season, and was promoted to series regular in its fourth season.
In , Dewan makes an appearance on the television series Seatbelt Psychic and receives a spooky reading from the famous medium Thomas John. In , Dewan starred and executive produced in the Lifetime film Let's Get Physical as part of the "Ripped from the Headlines" feature film. She portrays Sadie Smith who is loosely based on Zumba instructor Alexis Wright with the film inspired by Alexis' and her side prostitution gig. It premiered at the Tribeca Film Festival. They married on July 11, , in Malibu, California.
