"Let's Get Serious" by Jermaine Jackson is a single released in 1980 from the album of the same name. Co-written, co- produced and with additional vocals by family friend and Motown labelmate Stevie Wonder, it broke a string of 3 unsuccessful albums by Jermaine after going solo when the Jackson 5 left Motown.

Fun Fact: "Let's Get Serious'" other co- writer was a man by the name of Lee Garrett, who also had a hand in composing Stevie Wonder's "Signed, Sealed, Delivered I'm Yours."

Sibling Rivalry Fun Fact: Jermaine had the top selling song on the Billboard Soul Chart for 1980, beating out brother Michael's "Rock with You," which was #2.