VIDEO: Harry Connick Jr. Performs 'City Beneath the Sea' on AMERICAN IDOL

On last night's AMERICAN IDOL, Harry Connick Jr. stepped out from behind the judges' table and took center stage for a performance of "City Beneath the Sea." Check it out below!

Harry Connick Jr's career took off when he signed with Columbia Records and revealed his stunning piano technique and vivid musical imagination on his self-titled debut album. His follow-up album, "20," announced that Connick was equally gifted as an interpreter of the Great American Songbook; but this was soon overshadowed by his multi-platinum success with the soundtrack for the hit comedy "When Harry Met Sally..." To date, Connick has released 29 albums, won three Grammy Awards, and garnered sales of 28 million. His most recent releases are "Smokey Mary" and "Every Man Should Know."

In addition to his music career, Connick has also appeared on the screen and stage as an actor. Among his feature film credits are "Little Man Tate," "Copycat," "Hope Floats," "Memphis Belle," "Independence Day," "Life without Dick," "Mickey," "Basic," "P.S. I Love You," "New in Town" and "Dolphin Tale." His voiceover skills were featured in "My Dog Skip" and "The Iron Giant." Next fall, he will be seen in "Dolphin Tale 2," the sequel to 2011's No. 1 hit family film.

On television, Connick is perhaps best known for his recurring role on "Will & Grace." He also appeared in an arc of "Law & Order: Special Victims Unit," and has graced audiences with his musical talents in several Primetime specials, including "Harry for the Holidays," the animated tale "The Happy Elf" and the Emmy Award-winning PBS SPECIALS "Only You in Concert" and "Harry Connick, Jr. in Concert on Broadway."

His Broadway career boasts equal recognition, having received Tony Award nominations as both composer/lyricist for the musical "Thou Shalt Not" and as the lead in the Tony Award-winning revival of "The Pajama Game." He also has adapted "The Happy Elf" for children's theater, starred in the Broadway revival of "On a Clear Day You Can See Forever" and - on the 20th anniversary of his first Broadway concerts at the Lunt-Fontaine Theatre - brought his live show for an extended residency at the Neil Simon Theatre.