Who released her debut album "In A Perfect World..." in March 2009?

Who released her debut album “In A Perfect World...” in March 2009? Keri Hilson released the album.

“In A Perfect World...” was Hilson’s debut studio album, released on March 24, 2009, through Interscope Records, Zone 4, and Mosley Music Group. The record introduced her as a solo R&B and pop artist after years of work as a songwriter and background vocalist.

The album’s production included major collaborators such as Timbaland, Polow da Don, and Danja. Its singles included “Energy,” “Turnin Me On” featuring Lil Wayne, and “Knock You Down,” a collaboration with Kanye West and Ne-Yo. The songs helped establish Hilson’s profile beyond her songwriting career.

The album had been delayed from earlier planned release dates, making its 2009 arrival especially notable. It debuted at No. 4 on the US Billboard 200 and reached No. 1 on the US Top R&B/Hip-Hop Albums chart. It was followed by “No Boys Allowed” in 2010.