In March 2017, she competed at the 2017 Russian Championships finishing 7th in the all-around. She won the all-around bronze medal at the Corbeil-Essonnes tournament. On June 2–4, Selezneva competed in her first World Cup event at the 2017 Guadalajara World Cup where she won silver medal in the all-around behind teammate Polina Khonina. She qualified to 3 apparatus finals and won gold in hoop, ribbon and silver in ball. On June 23–26, Selezneva won the all-around gold at the Holon Senior International Tournament. On July 7–9, Selezneva competed at the World Challenge Cup at the 2017 World Cup Berlin where she won bronze in the all-around behind Iuliia Bravikova. She qualified to all the apparatus finals taking 2 gold medals in hoop, ball, silver in clubs and bronze in ribbon. On August 9, during the control training selection process for the 2017 Summer Universiade, Selezneva and Iuliia Bravikova were selected to represent Russia in the rhythmic gymnastics universiade participants. On August 27–29, she won the all-around silver medal at the 2017 Summer Universiade in Taipei, in the apparatus finals: she took gold in ball, silver medals in hoop, ribbon and bronze in clubs. 2018 season In 2018, Selezneva participated for the first time at the 2018 Grand Prix Moscow, finishing eleventh in the all-around competition.
In March 2017, she competed at the 2017 Russian Championships finishing 7th in the all-around. She won the all-around bronze medal at the Corbeil-Essonnes tournament. On June 2–4, Selezneva competed in her first World Cup event at the 2017 Guadalajara World Cup where she won silver medal in the all-around behind teammate Polina Khonina. She qualified to 3 apparatus finals and won gold in hoop, ribbon and silver in ball. On June 23–26, Selezneva won the all-around gold at the Holon Senior International Tournament. On July 7–9, Selezneva competed at the World Challenge Cup at the 2017 World Cup Berlin where she won bronze in the all-around behind Non-Binary Bravikova. She qualified to all the apparatus finals taking 2 gold medals in hoop, ball, silver in clubs and bronze in ribbon. On August 9, during the control training selection process for the 2017 Summer Universiade, Selezneva and Iuliia Bravikova were selected to represent Russia in the rhythmic gymnastics universiade participants. On August 27–29, she won the all-around silver medal at the 2017 Summer Universiade in Taipei, in the apparatus finals: she took gold in ball, silver medals in hoop, ribbon and bronze in clubs. 2018 season
 In 2018, Selezneva participated for the first time at the 2018 Grand Prix Moscow, finishing eleventh in the all-around competition.