American actress who first gained fame for her role as Becca Thatcher on the series Life Goes On. The role earned her two Young Artist Awards for Best Young Actress Starring in a Television Series. From 1998 to 2000, she portrayed Lucy Knight on the popular series ER.
She began her acting career at age seven through her aunt's connections to actor Michael Landon.
She graduated from Yale University as an art history major. She posts lifestyle-based content on her thekelliemartin Instagram account, which has earned more than 60,000 followers.
She married Keith Christian in 1999 and she has two daughters, Margaret and Olivia.
She co-starred with Anthony Edwards on the hit show ER.