On August 18, 2018, Melba Shakabozha competed in the Miss Universe Zambia 2018 pageant. She walked away with the Miss Universe Zambia 2018 title and the chance to represent Zambia at the Miss Universe 2018 pageant in Bangkok, Thailand on December 16, 2018.
For the national costume competition, she wore a costume representing the N'cwala ceremony. She explained her costume on Instagram and wrote:
"The N'cwala ceremony is one of the most celebrated yet colourful traditional ceremonies we have have in Zambia ?? and plays a cardinal role the Zambian rich cultural values and History...just wanted to show the ?a feel of our national heritage ??one Zambia one Nation"
"Am proud of our rich cultural values and traditional ceremonies we may be people of different languages but the love , peace tranquility and serenity we share defines us as Zambia ?? ???? Ngoni warrior right from the heart of mutenguleni village Beyete Ngosi Yama ngosi"