 In Lee Daniels' critically acclaimed drama film "Precious" (2009), she played Ms. Blu Rain, a teacher at the alternative high school in Harlem, New York, who teaches and mentors disadvantaged students, including the titular character, Claireece Precious Jones (Gabourey Sidibe).She later co-starred as Queen Latifah's character's god-sister in the romantic comedy "Just Wright" (2010).In late 2010, it was announced that Patton would succeed Sharon Stone as the new full time assistant district attorney on the NBC crime drama series, "".