Selena began her career in show business in 2001 when she performed on the popular children's show Barney & Friends, as Gianna. Gomez was dropped from the series after two years in 2003. Over the next two years, Gomez auditioned for shows without much success. She landed a small role in the movie Spy Kids 3-D: Game Over in 2003 and a bit part as Julie on Walker, Texas Ranger: Trial by Fire in 2005. She also got a part as Emily Grace Garcia in the television show Brain Zapped in 2006, and even recorded a song for the show.
Selena's career has expanded into the music industry; Gomez is the lead singer and founder of the pop band Selena Gomez & the Scene, which has released two RIAA Gold certified studio albums, Kiss & Tell and A Year Without Rain and spawned two RIAA Platinum certified singles, “Naturally” and “Who Says”. As of April 2011, The band has sold 1,354,000 albums in the United States. Selena has also contributed to the soundtracks of Tinker Bell, Another Cinderella Story and Wizards of Waverly Place after signing a record deal with Hollywood Records. In 2008, Gomez was designated a UNICEF Goodwill Ambassador.