In 1991, she released the blockbuster album Heart in Motion which became her best-selling album to date, topping the Billboard Christian album chart for 32 weeks, selling five million copies in the U.S., and producing her second No. 1 pop single "Baby Baby". She is the author of several books, including a memoir, Mosaic: Pieces of My Life So Far, and a book based on the popular Christmas song Breath of Heaven (Mary's Song) which she co-wrote.