22-year-old twins, Niki and Sammy Albon, have become stars overnight by sharing their 16-stone weight loss journey on Tumblr and YouTube.

The pair documented their massive challenge in order to help other people in the same situation.

The Irish Mirror reports that Niki and Sammy piled on weight by eating takeaways and snacking between meals.

At their heaviest, Niki was 18 stone while his brother Sammy was 21 stone.

They began to lose weight when they went to university and both said their confidence began to grow as they learned more about eating the right foods and exercise.

Now they weigh a healthy 11.6 and 12.6 stone and are living more active lifestyles.

They recorded this video below to inspire others to feel better about themselves and grow their own confidence.