(BILLBOARD) — American Idol winner Jordin Sparks will support Alicia Keys on her As I Am tour of North America. The tour kicks off April 19 in Virginia and wraps up June 18 at New York’s Madison Square Garden. Both artists have had songs on Billboard‘s Hot 100 recently: Keys ”No One” hit No. 1, while Sparks’ ”Tattoo” peaked at No. 8. (Billboard)