In an appearance Friday on NBC's "Tonight Show with Jay Leno," the 19-year-old daughter of former Alaska Gov. Sarah Palin says she learned about the invitation through a text message and signed within a week to appear on the new season starting Sept. 20.
Leno asked if she had gone to her high school prom. Palin replied "No, I was pregnant!"
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That pregnancy put her in the spotlight during her mother's campaign for vice president in 2008. She had son Tripp that year, and recently she called off her re-engagement to Levi Johnston.
Palin told Leno she and Johnston weren't meant to be, and she's focused on being a mom.