She regularly appeared as Christina Moore Boudreau in the soap opera Guiding Light and as Maya Avant in The Bold and the Beautiful.

[1] She graduated from New York University's Tisch School of the Arts, with honors, and went on to study in France at the Roy Hart Vocal Institute.

At a young age, Mosley performed in Sugar Beats, a children's rock group created by Sherry Goffin Kondor, daughter of singer/writer, Carole King.

In 2003, while still in college, Mosley joined the American counterpart of the Australian children's TV show Hi-5, where she became the youngest member of the group.

In 2013, Mosley joined the cast of the CBS daytime soap opera The Bold and the Beautiful, playing ex-con turned actress Maya Avant.

[3] In April 2021, Mosley briefly took on the role of Amanda Sinclair on the CBS soap opera The Young and the Restless as a short-term substitute for Mishael Morgan, who took a brief leave to recuperate from eye surgery.

Mosley also appears in many local New York City venues (including for a time as the featured performer for the Gray Line Show Business Insider Tour), sometimes as singer, sometimes actor.

In 2008 she also nabbed parts in Law & Order and Gossip Girl and appeared in Museum Pieces at the West End Theater in New York City.

Mosley sits on the board of Covenant House, the largest privately funded agency in the Americas providing shelter and other services to homeless, runaway and throwaway youth.