Kate DeAraugo has marked five years of sobriety. The Australian Idol 2005 winner, 37, found herself at rock bottom in 2017 after pleading guilty to possessing ice, drug driving and weapons offences. 'I'm five years clean and sober,' she told Shannon Noll's Idol Talking podcast this week. Australian Idol 2005 winner Kate DeAraugo, 37, has marked five years sober, telling …