Career
Sessina began training in rhythmic gymnastics in 1993 and eventually moved to the Russian training center in Novogorsk. At the 2002 European Championships in Granada, she performed only one routine, but was noticed because of her flexibility, stability and clean performance. In 2003, she performed well on the Grand Prix circuit.
In 2005, Sessina competed at the 2005 World Championships.
She placed fifth in all-around qualifications but did not advance into the finals because teammates Olga Kapranova and Irina Tchachina placed ahead of her. She was also sent to the 2005 European Championships.
Sessina competed for a spot at the 2008 Olympics but struggled due to injury and was beaten by compatriots Evgenia Kanaeva and Olga Kapranova. She retired from competition following the event.
After her retirement, Sessina was elected to the FIG Athletes Commission as a rhythmic gymnastics representative.