Carrie Underwood is not letting herself forget her roots, and the very moment she first rose to fame.ALSO: HELLO! launches Jubilee T-shirt collection to celebrate Queen Elizabeth in styleThe star shocked fans by revealing it has been a whopping 17 years since her legendary American Idol win on the fourth season of the long-time-running singing contest, back in 2005.To commemorate the anniversary of her unforgettable win, she shared an unbelievable glimpse of none other than her very own diary, depicting young Carrie's thoughts immediately after the victory announcement.WATCH: Carrie unveils epic 43-date tourMORE: Carrie Underwood's American Idol appearance affected by 'sad' Covid newsShe was only 22-years-old when she won, and in her Instagram post's caption, she expressed: "Where does time go?" and endearingly described herself as: "A 22-year-old farm girl who just had the most incredible night!"The page from the journal vividly recalls the moment she won second by second. She wrote: "Big moment.