Music
Rex Features
The star played a short gig at an evening which also saw performances from Kelly Clarkson and a duet between Barry Manilow and Jennifer Hudson, The AP reports.
Houston sang a number of her hits, opening with the Dolly Parton-penned 'I Will Always Love You' before going on to play 'I'm Every Woman' and 'It's Not Right, But It's OK'.
Actor Jamie Foxx said: "We all crossed our fingers that her beautiful story would end [happily]. This is a new beginning.
"She was on it, she was happy - she's back. Everybody else watch out."
Kanye West said that he was "humbled" by the other guests at the show, who included Prince, Paul McCartney, Quincy Jones and Clive Davis himself.
Singles Reviews
Darren Hayes: 'Bloodstained Heart' review Hayes continues his pursuit for old-fashioned romanticism.
The Sound
Sunday chart predictions: Maverick Sabre, moreHas Maverick Sabre topped the album charts? Find out in Friday's midweeks.
Music Interviews
Adam Lambert eyes Jessie J collaborationDigital Spy talks to the singer about his new album 'Trespassing'.
Album Reviews
Speech Debelle: 'Freedom of Speech'Speech Debelle storms back with her second album Freedom of Speech.
