16 and Pregnant star Whitney Purtvis' son has died at the age of 16.

Weston Gosa Jr. died on Monday before his heartbroken mum posted an emotional tribute announcing the news on social media .

The devastated mum, 33, said on Facebook: "This is so hard to write. My beautiful son, Weston has passed away ."

Whitney appeared on the MTV show 16 and Pregnant in 2009.

She added in her post: "Life is so cruel and unfair. I just dont understand.

"Oh my baby is gone and I don't know what to do with myself."

She added: "He was so perfect."

Whitney did not reveal his cause of death .

The grieving mum said that she was in disbelief and could not believe that this was happening.

She said: "I love you so much, Weston Owen Gosa. God, I love you so much.

"You are my heart. I was so

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