1.
All I Know Of Love (Duet with Josh Groban).
Get Happy/Happy Days Are Here Again (Duet with Judy Garland) 19.
Ding-Dong! The Witch Is Dead (Duet with Harold Arlen) 18.
The Music Of The Night (Duet with Michael Crawford) 17.
If You Ever Leave Me (Duet with Vince Gill) 16.
Make No Mistake, He\'s Mine (Duet with Kim Carnes) 15.
Till I Loved You (Duet with Don Johnson) 14.
Lost Inside Of You (Duet with Kris Kristofferson) 13.
One Less Bell To Answer/A House Is Not A Home (Duet with Barbra Streisand) 12.
I Have A Love/One Hand, One Heart (Duet with Johnny Mathis) 11.
What Kind Of Fool (Duet with Barry Gibb) 10.
No More Tears (Enough Is Enough) (Duet with Donna Summer) 9.
Tell Him (Duet with Celine Dion) 8.
I\'ve Got A Crush On You (Duet with Frank Sinatra) 7.
Cryin\' Time (Duet with Ray Charles) 6.
I Finally Found Someone (Duet with Bryan Adams) 5.
You Don\'t Bring Me Flowers (Duet with Neil Diamond) 4.
Guilty (Duet with Barry Gibb) 3.
I Won\'t Be The One To Let Go (Duet with Barry Manilow) 2. 1
