The birth date of Celeste Rivas is not officially disclosed by authorities. Some social media posts and sources claimed her birthday as September 7, 2010, but this has not been confirmed by police or her family. Official reports only confirm that she was 15 years old when her remains were found in September 2024, and she was reported missing in April 2024. Therefore, the exact birth date of Celeste Rivas remains unknown or unconfirmed.