Margaux Wellman, who is 14-years-old, is an advocate for mainstreaming children with special needs.
She will appear in a documentary entitled "Miss You Can Do It" on Monday night, June 24th at 9.
The movie is about a beauty pageant for girls with physical and mental challenges.
Wellman is a past winner of this pageant. She won the "National Junior Miss You Can Do It" title.
You can read more about the documentary on HBO's website.
Additionally, Wellman is scheduled to appear on NBC 25 Today on Monday morning, in advance of the documentary.