Mariah Carey posted a photo of 18-month-old Monroe on her Instagram account on Friday (October 26).
She writes: “Ms Monroe preparing to watch The Goddess!”
Fans will soon see Mariah and fellow American Idol judges Nick Minaj, Keith Urban and Randy Jackson kick off the 12th season on January 16, 2013.
For Halloween the 42-year-old singer is throwing a contest in which she’s asking entrants to dress like her in a music video. Deadline to enter is November 1, 2012.