She landed her breakthrough role as Rudy Huxtable, on the NBC sitcom The Cosby Show (1984–1992), and became the youngest person to be nominated for an Emmy Award,[2] when she earned a nomination for Outstanding Supporting Actress in A Comedy Series at the 38th Primetime Emmy Awards.

Knight Pulliam is also known for her portrayal of Miranda Lucas-Payne on the TBS comedy drama Tyler Perry's House of Payne (2007–present).

[4] In 1984, she was cast as Rudy Huxtable on the NBC sitcom The Cosby Show, a role she played until the series ended in 1992.

She continued working, appearing in television commercials and TV shows, and making her feature film debut[4] in The Last Dragon (1985).

Knight Pulliam performed in Donald Gray's play The Man of Her Dreams in the fall of 2006 in St.

In 2018, Knight Pulliam was a HouseGuest on the first season of the CBS series Celebrity Big Brother, where she was the second person evicted out of the house, on Day 13.

[3] On New Year's Eve 2015, Knight Pulliam became engaged to retired National Football League player Edgerton Hartwell.

[14] On January 23, 2017, Knight Pulliam gave birth to a daughter named Ella Grace Hartwell.

[15][16] The divorce was finalized in April 2018, with Knight Pulliam receiving primary custody of Ella while Hartwell was ordered to pay child support of about $3,000 a month.

The pair began dating in 2019 after they met on the set of the TV movie Pride and Prejudice: Atlanta.