- Mauriello can speak English (her native tongue) and Icelandic, from her time spent in Iceland producing the show.
- She was born in Irvington, New York.
- Was in the "Macy's Thanksgiving Day Parade".
- Her characters motto is "There's Always A Way".
- She loves to play her charcater, Stephanie, on "LazyTown".
- She is taking classes in Ballet, Jazz, Tap and Irish step.
- She is an avid dancer.
- Performed on the Broadway in "Gypsy".
- She has done many commercials and voiceovers.
- She has two sisters and one brother.
- She sings the "LazyTown" song "There's Always A Way."
- She sings the "LazyTown" song "Have You Never."
- She sings the popular "LazyTown" song "Bing Bang".
- She was interviewed by "Nick Jr."
- She was in the 2001-2002 Broadway Premiere of "Oklahoma".
- Her dog is a minature poodle named Audrey, after "Audrey Hepburn".
- She was at "Nickelodeon's Kids Choice Awards 2005".
- Julianna Rose Mauriello is an Honor Student at a "Professional Performing Arts School".
- She has been nominated for a Daytime Emmy Award for "Outstanding Perfomer in a Children's Series".
- Plays the role of Stephanie on "LazyTown".
- She says dancing is a "sport".
- Her real hair color is brown.
- She's going to star in the live action version of "LazyTown".
- She studies ballet, tap, jazz, tumbling and Irish step dancing.
She has studied dance and voice with Janine Molinari and Rona Leslie.
- Julianna has been on two Broadway shows in Gypsy as u/s Baby Louise/Baby June/Balloon Girl and also in Oklahoma! as Lil' Titch
- Julianna's real hair color is brown and she wears a pink wig when she is acting on "LazyTown".