At the age of four, began appearing in television commercials for products such as Kodak Film

At age six, appeared on "Days of Our Lives" (NBC) in the role of Adrienne for two days of flashback sequences

Played a different character (both were named "Karen") in two episodes of the syndicated series "Tales from the Darkside"

Starred as Alice in the film "The Price of Life"

Played the role of Stephanie (Cannon's character as a preteen) in Dyan Cannon's feature film "The End of Innocence"

Joined the cast of NBC's "Days of Our Lives" as Sami Brady, the scheming, sassy and sometimes dangerous daughter of Dr. Marlena Evans (Deidre Hall)

Guest-starred as an award-winning, diva actress on an episode of "Friends" (NBC)

Appeared on a celebrity edition of “Fear Factor” (NBC)

Appeared on and won the Daytime Stars celebrity version of “Weakest Link” (NBC)

Appeared as Miss USA on “American Dreams” (NBC)

Appeared on “Celebrity Cooking Showdown” (NBC)

Replaced Caroline Rhea as host of NBC's "The Biggest Loser"