Born on March 27, 1988 in Carmichael, California to a Hmong American father and a Thai American mother, Brenda Song is the eldest of three children. She is a Tae Kwon Do black-belter and was named an All-American Scholar in ninth grade. She began her career as a child fashion model in San Francisco.
At the age of six, Song started acting, first appearing on a television commercial for Little Caesars. In the late 1990s, she began playing minor roles in programs such as 7th Heaven, Once and Again, Popular
, Judging Amy, The Nightmare Room and The Bernie Mac Show, for which she earned a Young Artist Award nomination for the category "Best Performance in a Television Comedy Series, Guest Starring Young Actress". Her first major role was as Sariffa Chung in Nickelodeon's 100 Deeds for Eddie McDowd.
In 2000, Song appeared in her first Disney film entitled The Ultimate Christmas Present, where she played Samantha Kwan, a role for which she won the Young Artist Award for "Best Performance in a TV Movie Comedy, Supporting Young Actress". Her next Disney project were Get a Clue in 2002, and Stuck in the Suburbs in 2004. Since then, she appeared in a number of programs, including Will and Grace
, One Tree Hill
and Strong Medicine.
In 2005, Song landed the role of London Tipton on The Suite Life of Zack & Cody. A year later, she starred in her very own Disney Channel original movie, Wendy Wu: Homecoming Warrior, which became very successful, allowing her to travel to Malaysia, Singapore and Mexico to promote the film. She also appeared in the Disney Channel Games 2006 and 2007.
She returned to play London on the spin-off The Suite Life on Deck until 2011, before she landed roles in Boogie Town and the TV movie Tinker Bell and the Pixie Hollow Games. She has also appeared in the 2010 film Social Network and voiced the character Wendy in the animated series Phineas and Ferb.