The album features guest appearances by artists such as Shaka Dee, Don Omar, Elephant Man and American rapper Busta Rhymes.

The first of these, "Whine Up" featuring Elephant Man serving as a guest vocals, and has become DeLuna's biggest hit to date.

In that country, the song became a smash hit over the Summer, topping the Hot Dance Club Play chart, as well as receiving heavy airplay on radio stations.

After signing with the label, DeLuna met with producer RedOne, and the two would later collaborate on the majority of the album's tracks.

DeLuna also met rapper Don Omar, who lent his vocals to the track, Run the Show.

The music found on the album is generally R&B and pop as well as dancehall, latin and hip hop.

The pop-ballad features DeLuna singing over a piano based beat, speaking of how one of the best to happen in her life was her ex leaving her.

The Spanish version of Whine Up is the twelfth song on the album, and is followed by Como Un Sueño, translating to Am I Dreaming in English.

After the success of 9 Lives lead single, Whine Up, the album was quickly rushed for release.

To make way for this edition in the United States, planned for July 29, 2008, the original album was removed from the U.S. and Japanese iTunes Stores.

Associated Press noted that "unlike most summer sizzlers who fizzle with the arrival of fall, Kat DeLuna should survive the season's dog days and beyond, thanks to her debut album 9 Lives.

"[8] PopMatters editor Matt Cibula found that with 9 Lives "DeLuna is not supposed to be any kind of big critical favorite.

In fact, it actually seems like she and producer RedOne are only interested in turning good hooks and memorable choruses into pop songs for teenagers and other people who like their music to be "fun".

"[6] AllMusic editor Andy Kellman rated the album three and a half ouf five stars.

He found that 9 Lives "features credible streaks of dancehall, Latin pop, Euro-pop, modern R&B, freestyle, and yes, (albeit to a much lesser extent) opera as well.

To DeLuna (who co-wrote everything) and her producer RedOne's credit, the album never quite sounds calculated or unnatural.

"[4] Chris Richards, writing for The Washington Post, felt that DeLuna' "debut album packs as many sweets as a boardwalk concession stand.

"[7] Entertainment Weekly's Jonathan Bernstein called the album a "surprisingly solid debut, which makes room for both dance-floor exhortations and bubblegum confections [and] singles out DeLuna as a more vocally gifted descendant of the Latin freestyle divas of the late '80s.