Zasimauskaitė, 24, was selected by a special jury and viewers during the national finals at the Žalgirio Arena in Kaunas on Sunday night.
The entrants for the national finals included six performers, namely, Ieva Zasimauskaitė, Monika Marija Paulauskaitė, Paula Valentaitė, The Roop band, Jurgis Bruzga and Kotryna Juodzevičiūtė.
The Lithuanian entry will perform during the first semifinals in the Portuguese capital on May 8, competing with another 18 countries for the finals that is scheduled for May 12.