'Tonight': Christina Applegate Embarrassed By Old Commercial
Description:Christina Applegate stopped by “The Tonight Show,” and Jay Leno had a surprise in store for the actress. He dug up a commercial she did for Purina Cat Chow in 1983. Christina was just 12-years-old when she shot the ad, in which she bragged about her cat’s health. After Jay played the commercial, Christina mocked her acting. Jay told Christina she hasn’t aged at all since shooting the spot.(1:04)