A weight-loss influencer who traded in her husband for her stepson has announced the birth of their first child together. 

Marina Balmasheva, 35, from Russia, married her new husband Vladimir 'Vova' Shavyrin, now 21, ahead of welcoming their baby girl, who has not yet been named. 

The Russian blogger - with more than half a million followers on Instagram - has known Vladimir since he was seven after previously being married to his father Alexey Shavyrin, 45, who now cares for their five adopted children.