Jamie Lynn Marie Spears (born April 4, 1991 in McComb, Mississippi) is an American actress and singer.

Spears appeared in 2001's Totally Britney Live and in a Pepsi television commercial in 2002. In the same year, she appeared briefly in the movie Crossroads as the younger version of the main character, Lucy, who was played by her older sister, pop singer Britney Spears. Their mother in the movie was played by Kim Cattrall. Their real life mother is Lynne Spears, who lives with Jamie Lynn in Kentwood, Louisiana.