Royal Highness is the debut studio album by American hip hop group Kottonmouth Kings. It was released on August 11, 1998, through Suburban Noize/Capitol Records. Recording sessions took place at A&M Studios in Hollywood, at Can-Am Recorders in California, at the Ogden House, and at 1605 Studios in Huntington Beach. Production was handled by member Daddy X, who also served as executive producer, Mellow B. De Lear, Marco Forcone, Dog Boy and I Timothy. It features guest appearances from Too Rude and Humble Gods.
The album peaked at number 17 on the BillboardHeatseekers Albums chart. The song "Bump" peaked at number 28 on the Hot Modern Rock Tracks chart. "Suburban Life" was on the soundtrack for the movie Scream 2, and was even briefly featured in the film itself. "Dog's Life" was on the soundtrack for the movie Lost and Found and was used in the 1999 PlayStation game Test Drive 6. In a 2015 interview with Johnny Richter he stated that he was a member of the group but was not featured on it due to a personal issue with a member of the group at the time of the album's release date.