Okpala Maristella Chidiogo, the official representative of Nigeria in Miss Earth 2018, is 25 years of age and stands 176 cm tall. She is a model, dental technologist and a licensed cabin crew by profession and maintains a very healthy lifestyle. Okpala also won the Bronze medal at the National Costume Competition (Africa) held on 11th October 2018. With her consistent performance, Okapala is definitely a strong choice to win the competition this year.