Alicia Keys cast in 'The Nanny Diaries'

LOS ANGELES, April 13 (UPI) -- Grammy Award-winning singer Alicia Keys has been cast to play Scarlett Johansson's best friend in film version of "The Nanny Diaries."

Shari Springer Berman and Robert Pulcini are directing the adaptation of Nicola Kraus and Emma McLaughlin's bestseller for the Weinstein Co., in which Johansson will portray the nanny for a wealthy Manhattan family.

Keys joins a cast including Chris Evans, Laura Linney, Paul Giamatti and Donna Murphy.

It won't be the first film role for the versatile Keys, Daily Variety noted.

She recently finished filming Joe Carnahan's "Smokin' Aces" with Ben Affleck, Jason Bateman, Don Cheadle and Peter Berg.

Filming on the "The Nanny Diaries" is scheduled to begin this month in New York.