Younger sister of Britney Spears who joined the cast of All That in 2002 and won the 2006 One to Watch Young Hollywood Award for starring in Zoey 101. She won a Young Artist Award for Best Young Ensemble Performance In a Television Series with the cast of Zoey 101 in 2007.
She played basketball and was a member of the cheerleading team at Parklane Academy High School.
In 2006, she won a Kids' Choice Award for Favorite Television Actress.
She had a daughter, Maddie Briann Aldridge, in 2008 with then-boyfriend Casey Aldridge. She married James Watson in March 2014. She and James welcomed a daughter named Ivey in April 2018.
She made her acting debut in the 2002 drama film Crossroads, which starred her big sister Britney as well as Zoe Saldana.