She is one of over 20 siblings adopted by Jared and Shelly Wallace, a family famously showcased on their popular YouTube channel, CRAZY MIDDLES. Alongside her sister Lacey, she has also contributed to another YouTube channel known as Crazy Good Life. Before being adopted, her biological parents faced serious challenges with addiction, which ultimately led to her entering the foster care system. She shares the same birth year, 2003, with her adopted siblings Miles, Elizabeth, and Spencer. Her biological siblings are named Destiny and Jonathan.
She appeared in several videos on her family’s YouTube channel, including popular ones titled “I AM CYNTHIA” and “CYNTHIA GETS STITCHES!” These videos gave viewers a closer look into her life and personality, with Cynthia often taking center stage in the storytelling. As part of the family content, Cynthia’s presence helped shape the channel’s unique vibe, making it more personal and engaging for their audience. Whether it was through fun challenges or unexpected moments like getting stitches, Cynthia brought authenticity and charm to every video she was in.