Here's a little background trivia from IMDB:
Christina ApplegateChristina is the daughter of record producer, Robert Applegate, and singer-actress, Nancy Priddy. Her parents split up shortly after her birth. She has two step-siblings from her father's re-marriage - Alisa (b. 1977) & Kyle (b. 1981). Alisa and Christina are best friends and even lived together while Alisa was going to college. Christina's mother took her along on all of her auditions and acting jobs. She made her acting debut at age five months, when her mother got her in a commercial for Playtex nursers. Her mother never remarried, but kept company with Stephen Stills. Christina still cherishes a guitar Stephen gave her when she was young. She played in a series of TV series before landing her breakout role in "Married... with Children" (1987) in 1987. Christina still studies jazz dance.
Supports People for the Ethical Treatment of Animals (PETA).Enjoys books about spirituality.
Has one half-brother and one half-sister from her father's subsequent marriage after he and Christina's mother, Nancy Priddy, divorced.
Quit school at 17.
Chosen as one of People Magazine's, "50 Most Beautiful People, 1999"
Married longtime boyfriend Johnathon Schaech on October 20, 2001, in a small Palm Springs ceremony, attended by immediate family and friends.
Co-wrote "The Penis Song" with The Sweetest Thing (2002) co-stars Cameron Diaz and Selma Blair, but the trio's performance of the song was edited out of the final cut.
First appeared on television as an infant in a commercial for disposable diapers.
Measurements: 35-23-35 1/2 (Source: Celebrity Sleuth magazine)
Friend of Nicole Eggert.
While filming View from the Top (2003), she met Gwyneth Paltrow. They are now good friends.
Referred to in the 1991 song "Set Adrift on Memory Bliss" by PM Dawn.
Went to high school with Milla Jovovich.