How many ludacris albums went platinum?

Radio (1985)

Bigger and Deffer (1987)

Walking with a Panther (1989)

Mama Said Knock You Out (1990)

14 Shots to the Dome (1993)

Mr. Smith (1995)

Phenomenon 1997)

G.O.A.T. (2000)

10 (2002)

The DEFinition (2004)

Todd Smith (2006)

Exit 13 (2008)

This makes for a total of 12 albums.