Girl, 17, reveals how she found out her dad was CHEATING on her mom with a woman 20 years his junior - as he moves his new wife and love child into the family home just months after the teen's mother died from cancer

The teen took to Reddit to share that she had lost her mom within the past year - but mere months after the loss, her dad, 45, had married a 25-year-old, and moved her and her son into their home.