Throughout 2005 to 2008, Naughton starred in the Tony Award-winning Broadway musical "Hairspray" as Little Inez. In March 2008 Naughton was cast to portray Grammy Award-winning rap artist Lil' Kim in "Notorious", a biopic film about The Notorious B.I.G. The film was released in January 2009 to mixed reviews and went on to make over $43 million worldwide. Lil' Kim has stated that she wasn't mad at Naughton who portrayed her and that she was mad at how they portrayed her.