[1] Betina Vadimovna Popova was born on 2 November 1996 in Vladivostok, Primorsky Krai, Russia.

Popova/Vlasenko were awarded gold in Dresden, Germany after placing first in both segments and outscoring Lorraine McNamara / Quinn Carpenter of the United States by 7.96 points.

At the 2014–15 JGP Final in Barcelona, they won the bronze medal behind Alla Loboda / Pavel Drozd.

Competing in the 2015–16 JGP series, Popova/Vlasenko outscored Angélique Abachkina / Louis Thauron of France by 7.3 points for the gold in Riga, Latvia.

On 2 May 2016, Popova confirmed that she and Sergey Mozgov had formed a partnership, with Elena Kustarova and Svetlana Alexeeva serving as their coaches.

[6][7] Popova/Mozgov started their season in mid September at the 2018 CS Ondrej Nepela Trophy where they won the bronze medal with a personal best score of 170.47 points.

In early December they won their second Challenger Series bronze medal of the season at the 2018 CS Golden Spin of Zagreb.

[10][11] Popova/Mozgov announced their retirement from competition on February 14, 2020, with Popova indicating that she was dealing with an eating disorder.

[12][13] Popova began working as a skating choreographer in Moscow, including with the pairs team of Daria Pavliuchenko and Denis Khodykin.

Popova indicated her disaffection with the realities of ice dancing at a young age, sharing in 2020 that she was asked to show “sex” and “passion” towards her older partner when she was fourteen.