Gianna Lynn was born on December 3, 1984 in the Philippines. She's of mixed Spanish, Chinese, and Filipino descent. Gianna moved with her parents to California when she was four years old. She paints as a hobby.

Lynn grew up in the San Fernando Valley and attended a Baptist school. Gianna's first job was working as a file clerk in a dental office. Lynn began performing in explicit hardcore movies in her early 20s in 2005. Gianna has been nominated for several AVN Awards that include Best Group Sex Scene - Video in 2006, Best New Starlet in 2007, and Best All-Girl Group Sex Scene in both 2009 and 2010. Moreover, she was also nominated for a XRCO Award for Unsung Siren in 2008. In addition, Lynn has modeled for the mainstream health and fitness brand Fantasy Fitness. Gianna paints as a hobby and resides in Ventura, California.

To keep her body in shape for work, Gianna Lynn diets and works out by walking, stretching, feature dancing, as well as karate classes. Gianna Lynn has modeled for the mainstream health and fitness brand Fantasy Fitness. Her measurements are 34D-24-34.