Victoria Lee passed away at the age of 18.

The MMA fighter shared that her sister, Victoria, had passed away in December of last year. At this time, there is no cause of death.

She wrote that her family has been devastated by her sudden departure. We're missing her. There is more in this world. We will never be the same. Life won't be the same.

Victoria was the most beautiful person I've ever met. She was the best sibling. The best daughter, the best granddaughter, and the best godma/ aunty to the two girls.

We miss you a lot. She wrote that it was more than you could have realized. All of us are broken. We will never be the same because pieces of you were torn out of us when you left.

Since her sister's death, she's always reminded of Victoria. Every little thing makes me think of you. The sun rays go all the way to the sunset. We were taught to look at the beauty in the simple things.

You were our shining light. The sun is shining. She stated that that will never change. You were absolutely flawless. The best person I have ever met. The prettiest girl in the world. We are very fond of you, Victoria. I adore you. Until the last moment.

To end her message, she asked for "grace and respect" for her family and urged others to check in on their loved ones. You can't know.

The family has been reached by Today.

The athlete was mourned by ONE Championship, a global sports media platform.

The ONE Championship team is distraught over the death of Victoria Lee. We offer our deepest sympathies to her family and friends.

One Championship's CEO shared a touching message on Facebook, stating he was "heartbroken" by Victoria's death

I met Victoria when she was young. She blossomed as a martial artist and a human. I think she was beyond her years. She was an extraordinary martial arts talent, but I could see that she was more than that.

The young fighter had a heart of gold and a brilliant mind according to Sityodtong. She wanted to make a difference in the world. Victoria was a beautiful and precious soul.

Victoria is survived by her parents, Ken and Jewelz Lee, and her sister and husband, Bruno Pucci.

Victoria's siblings are active in MMA. Christian is the current ONE Welterweight World Champion and also the current ONE lightweight World Champion. Adrian became a member of the family business and won an amateur title.

Victoria was a competitor in the women's atomweight division. Victoria had three wins under her belt. She defeated Victoria Souza with a knockout in the second round.

The article was first published on TODAY.