The actor dated Michelle Thomas, who played his onscreen girlfriend Justine Phillips on The Cosby Show, from 1988 to 1994. Thomas died four years after their split on Dec. 23, 1998, at age 30 from ...

The actor dated Michelle Thomas, who played his onscreen girlfriend Justine Phillips on The Cosby Show, from 1988 to 1994. Thomas died four years after their split on Dec. 23, 1998, at age 30 from ...

Thomas died of cancer in December 1998 at age 30. Michelle Thomas and Malcolm-Jamal Warner pictured in 1992. Ron Galella, Ltd./Ron Galella Collection via Getty ...

The actor dated Michelle Thomas, who played his onscreen girlfriend Justine Phillips on The Cosby Show, from 1988 to 1994. Thomas died four years after their split on Dec. 23, 1998, at age 30 from ...