Alex Kapp Horner is an American actress best known for her role as Lindsay on the television sitcom The New Adventures of Old Christine, from 2006-2010.
Kapp Horner started her career in Los Angeles as a member of the Groundlings. Her television credits include guest appearances in Friends, Will & Grace, ER and Seinfeld.
She was also a series regular in Maggie Winters on CBS.
Horner grew up in New York City and graduated from Dartmouth College with a degree in history.
She currently lives in Los Angeles with her husband, Christian, their two daughters and their dog, Clementine.