Laviano competed in her first Miss Universe Organization state pageant in 2005, finishing first runner-up to Raegan Raulston at Miss Mississippi Teen USA 2006.
USA | Mississippi | Mississippi River | USA Today | Miss Universe | Miss USA | Jackson, Mississippi | Miss World | Girl Scouts of the USA | Miss America | USA Network | Communist Party USA | University of Mississippi | Femina Miss India | Vicksburg, Mississippi | Teen Titans | Miss Universe 2012 | Miss Universe 2011 | Hattiesburg, Mississippi | Oxford, Mississippi | Miss Saigon | Fox Sports (USA) | Miss Teen USA | Miss North Carolina USA | Meridian, Mississippi | Miss Europe | Smells Like Teen Spirit | Miss Universe 2013 | Army of Mississippi | Natchez, Mississippi |
Addis became the first Miss Mississippi Teen USA to place at Miss Teen USA, when she won the title in the pageant held in El Paso, Texas on July 21, 1987.