Several weeks after turning 15, Belyakova was invited to join the Russian national team and her debut with the Russian senior national team quickly followed in a match against the Slovak women's national team in Trenčín on 4 September 2009. Representing Russia, she has participated at the IIHF Women's World Championship in 2012, 2013, 2015, 2016, and 2017. She was included in the list of candidates for the Russian national team at the 2010 Winter Olympics in Vancouver, though she was not selected to the squad. She was the first replacement for the Russian team at the 2014 Winter Olympics in Sochi.