4.6.2008

Muhammad Ali’s Celebrity Fight Night XIV

Whitney Houston, Clive Davis, and Muhammad Ali at Muhammad Ali’s Celebrity Fight Night XIV in Scottsdale, AZ on Saturday. Lookin’ good Whitney!

“She was just in the studio this week working on a song called ‘Nothing But Love’ when she heard of all [Bobby Brown’s drug allegations] in the papers,” Clive Davis says.

“Whitney Houston is back!” Houston’s cousin Dionne Warwick told PEOPLE.

More photos below.

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Whitney reunites with her Bodyguard co-star Kevin Costner.

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Whitney and cousin Dionne Warwick

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Jordin Sparks