"Haven't been on twitter much, but excited to be makin music for you guys!!!" Bradbery tweeted on Monday.
The 16-year-old who became "The Voice's" youngest-ever winner last week is already working on her debut album at a Nashville recording studio, Just Jared reported Monday.
Sources told the gossip site that Bradbery -- who said she'd "like to be this generation's Carrie Underwood -- is actually working with the "American Idol" singer's producer/co-writer Brett James.
Big Machine Records, Taylor Swift's label, signed Bradbery last week.