She is the youngest child. She also has sisters.
In 2003, 2004, 2005 and 2006, Billi was nominated for "Best Performance in a TV Series (Comedy or Drama) - Young Actress Age Ten or Under" at the Young Artist Awards for her role as Gracie on the ABC series, According to Jim.
Billi appeared in the music video, "Celebrity" by Brad Paisley along with her According to Jim co-star, Jim Belushi.
As of 2007, Billi resides in Los Angeles.