Black Voices has learned that Lauren London is joining the cast of 'Tyler Perry's Madea's Big Happy Family.'

The Los Angeles native will join previously announced cast members Bow Wow, Loretta Devine and Old Spice pitchman Isaiah Mustafa in the drama/comedy.

Mustafa will portray Calvin, a man struggling with his family relationships. Devine and Bow Wow will play his mother-in-law and brother-in-law, respectively. London will play Bow Wow's girlfriend.

Perry will reprise his signature role as Mabel "Madea" Simmons in the film, adapted from his new stage play 'Madea's Happy Family,' which is currently on tour in the United States.

Written and directed by Perry, the movie began filming this week in Atlanta, with production slated to wrap in early September.

London was last seen in 2009's 'I Love You, Beth Cooper' with Hayden Panettiere and made brief appearances in 'Next Day Air' and Chris Rock's documentary 'Good Hair.' Her previous films have included 'ATL' with rapper-actor T.I. and 'This Christmas' with Chris Brown, Regina King, Sharon Leal and Idris Elba.

The 25 year-old actress will also star in the Queen Latifah- produced film 'Single Ladies,' alongside Lisa Raye and Stacey Dash.

Last year, London gave birth to her first child, a son, whose father is Grammy Award-winning rapper Lil Wayne.

She's also on the cover of the debut issue of the black lifestyle magazine Fearless, which features a bevy of young black Hollywood starlets.

'Tyler Perry's Madea's Big Happy Family' will hit theaters in 2011 via Lionsgate.