=== Singler ===
* 1993: One More Chance
* 1993: Forever Luv (duet with David Morales)
* 1998: Mi Negra, Tu Bombón (duet with Omar Sosa)
* 1999: Tienes Un Solo (duet with Omar Sosa)
* 1999: I'm Outta Love
* 2000: Not That Kind
* 2000: Saturday Night's Alright for Fighting (duet with Elton John)
* 2001: Love Is Alive (duet with Vonda Shepard)
* 2001: Cowboys And Kisses
* 2001: Made For Lovin' You
* 2001: Paid My Dues
* 2001: Let It Be (duet with Paul McCartney, Anastacia other artists)
* 2001: I Ask of You (duet with Luciano Pavarotti)
* 2001: What More Can I Give (duet with Michael Jackson and other artists)
* 2001: I Thought I Told You That (duet with Faith Evans)
* 2002: You Shook Me All Night Long (duet with Celine Dion)
* 2002: Bad Girls (duet with Jamiroquai)
* 2002: One Day in Your Life
* 2002: Boom
* 2002: Why'd You Lie To Me
* 2002: You'll Never Be Alone
* 2003: We Are the Champions, We Will Rock You, Amandla (duet with Queen, Beyoncé, Bono, Cast and David A. Stewart)
* 2003: Love Is a Crime
* 2004: Left Outside Alone
* 2004: Sick And Tired
* 2004: Welcome To My Truth
* 2004: Heavy On My Heart
* 2004: I Do (duet with Sonny Sandoval)
* 2005: Everything Burns (duet with Ben Moody)
* 2006: I Belong to You (duet with Eros Ramazzotti)
* 2007: Sing (duet with Annie Lennox and other artists)
* 2005: Everything Burns (duet with Ben Moody)
* 2005: Pieces Of A Dream
* 2006: I Belong To You (duet with Eros Ramazzotti)
* 2008: I Can Feel You
* 2008: Absolutely Positively
* 2009: Defeated
* 2009: Stalemate (duet with Ben's Brothers)
* 2009: Stalemate (duet with Ben's Brother)
* 2009: Holding Back the Years (duet with Simply Red)
* 2010: Safety (duet with Dima Bilan)
* 2010: Burning Star (duet with Natalia)
* 2011: What Can We Do (A Deeper Love) (duet with Tiësto)
* 2012: If I Was Your Boyfriend (duet with Tony Moran)
* 2010: Safety (duet with Dima Bilan)
* 2010: Burning Star (duet with Natalia Druyts)
* 2011: What Can We Do (A Deeper Love) (duet with Tiësto)
* 2012: If I Was Your Boyfriend (duet with Tony Moran)
* 2012: Dream on
* 2012: Best Of You
* 2014: Stupid Little Things
* 2014: Staring at the Sun
* 2014: Lifeline
* 2015: Take This Chance
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