Question: What American actress and singer was both a teen idol on the Disney Channel comedy series "Lizzie McGuire," and recorded the song "Someone's Watching Over Me" in 2004?
Sentence (from "Why Not (song)"): “Why Not” is a song recorded by American actress and singer Hilary Duff for the soundtrack of the 2003 comedy film, "The Lizzie McGuire Movie," which was produced and released at the time when Duff was starring as the title character of the Disney comedy series "Lizzie McGuire."
Relevant evidence: No