Newlyweds: Nick and Jessica is an American reality television series that aired on MTV. It followed the marriage of then husband and wife Nick Lachey and Jessica Simpson. It premiered on August 19, 2003 and ended on March 30, 2005, with a total of 40 episodes over the course of 3 seasons.

Part of the show's gimmick involved displaying Simpson's naive personality, playing on the popular stereotype of "dumb blondes". Perhaps the most famous example comes from the first episode, in which Simpson, confronted with a can of Chicken of the Sea tuna, asked Nick "Is this chicken, what I have, or is this fish? I know it's tuna, but it says 'Chicken... by the Sea' [sic]."

Simpson and Lachey were married on October 26, 2002, and filed for divorce on December 16, 2005. On June 30, 2006, Jessica and Nick's divorce was finalized.