Ariana's best friends are her long time friends Alexa Luria and Elizabeth Gillies (See Elizabeth Gillies for more about her relationship with Liz).
She is a "hopeless romantic" (A person obsessed with love and being in love).
Her natural hair color is brunette, but she dyed her hair to red for her role of Cat in Victorious, since Dan Schneider didn't want all cast members to be brunettes. Her hair is also naturally curly.
She has a big brother named Frank (nicknamed Frankie by Ariana). He is also a performer and producer and went on tour with her as one of her dancers. He was in the Broadway shows;Mamma Mia!' and was Boots the monkey in Dora live.
Frank Grande is Ariana's half-sibling (Same mother, different father).
Ariana's mother's name is Joan Grande.
Ariana's father's name is Edward Butera.
Ariana's fashion icons are Marylin Monroe and Audrey Hepburn.
Ariana's favorite cereal is Cocoa Puffs.
Ariana has to make her voice way higher to play Cat.
Ariana is allergic to bananas and cats (ironically, her character on Victorious loves them and is called Cat).
Ariana's YouTube channel is osnapitzari (Oh, snap, it's Ari!)
Ariana runs the YouTube channel WeAreStoopKid along with her co-stars on Victorious, Matt Bennett and Liz Gilles.
Ariana joined Youtube on 21/1/2007.
Ariana has a birthmark on her left shoulder (and her right cheek[source?]).
Ariana loves Mariah Carey, Celine Dion, and Imogean Heap.
Ariana is a huge techno-junkie and uses GarageBand to create remixes of her favorite songs using an Apple computer and a Boss looping station RC50, meant for guitars, but Ariana plugs her microphone in and uses her voice instead,seen on this video.
Ariana is a fan of the Harry Potter series. Coincidentally, there's a character named Ariana (Ariana Dumbledore) in the books.
Ariana loves swimming.
Airana's favorite movie is "13 going on 30".
Ariana used to collect stuffed animals, hockey pucks, and Halloween masks.
Ariana has a dimple on her right cheek.
Ariana's fan mail address is 265 S. Federal Hwy Suite 331 Deerfield Beach, FL 33441.
Ariana's favorite colors are periwinkle blue, marshmallow white, sea foam green, red and coral/pale pink.
Ariana was on BrainSurge and wore a pink t-shirt and skinny jeans. She had 130 points, allowing her to move onto the next round, being the only girl to compete. But then she lost, along with Carlos (from Big Time Rush) and was the first one to slide down "The Brain Drain". The episode aired on April 21st 2011.
Ariana is studying Spanish.
Ariana loves Judy Garland and Audrey Hepburn and can impersonate them quite well.
Ariana has a talent for mimicking the speaking and singing voices of others, including but not limited to Britney Spears, Shakira, her co-star Liz Gillies, Katy Perry, a laughing baby, a crying baby and a baby lamb "baaa-ing".
Ariana's height is 5' 2½" (1.59 m).
Ariana currently lives in L.A. Her house is over 100 years old and was previously owned by Francis Ford Coppola, the director of The Godfather. 
Ariana loves the restaurant "Toast".
Ariana enjoys watching the hit TV show Gossip Girl, America's Next Top Model, and Project Runway.
Ariana's first crush was Justin Timberlake (she was three).
Ariana has a dog named Coco.
Ariana doesn't eat meat except for fish and is allergic to shellfish and some cough medicines.
Ariana went to her first concert, a Katy Perry concert, in the summer of 2011.
Ariana says she can't stand it when you smile at a stranger and they don't smile back.
Ariana went to Washington, DC for the "Worldwide Day of Play 2011".
Ariana is hypoglycemic.
Ariana has never eaten a taco or a catfish, though the latter could just have been a joke.
Jennette McCurdy accidentally made Ariana's phone number public.
On December 10, 2011, Ariana reached a million followers on Twitter and has now reached over 3.5 million followers.
Ariana's first single, Put Your Hearts Up was released on the 12th December and went up to #59 on iTunes. Click here to download it. The music video came out 14th February 2012
Ariana put her hands in cement at Planet Hollywood, New York on December 22th, 2011.
Ariana was in the Original Broadway cast of "13: The Musical" with Liz Gillies and Max Schneider. She played Charlotte.
Ariana wrote a news article about bullying. Click here to read it.
Ariana and Liz are extremely close. They stay up late together, and sing together, as shown multiple times on Ariana's YouTube channel and their tweets.
Twitter fact: The World Bank, the world's largest development organization, follows Ariana on Twitter.
Broadway for South Africa, the organization that Ariana supports (it is co-founded by her brother, Frankie) used her debut single, "Put Your Hearts Up" as their theme song for 2012.
Ariana has recorded a song with Nick Jonas called "Please Don't Let Me Go".
Ariana's favorite fruit is strawberry.
Ariana loves all her fans.
Ariana loves hair bows, British accents, polka dots, and dolphins.
Ariana and Graham Phillips were in a relationship for three years. However they broke-up in December 2011.
Ariana was recently in a relationship with her back-up dancer Jordan Viscomi. They have been in a relationship since Febuary 2011. A few months later, they broke up. (Although it's possible it was a fake break-up to throw us off). But if they really did "break-up" they ARE back together but Ariana is trying to make it less obvious by not tweeting him or liking his instagram posts.
Ariana tries not to talk to Jordan through any social networks such as Facebook and Twitter because she's trying to keep the relationship on a low-profile. She calls him or texts him on her iPhone instead, saying flirty things and stuff like "You're my favorite" or posting hearts.
Ariana keeps her relationships on a low-profile because she does not want people judging who she dates. It makes her feel like she is making a big mistake.
Ariana hasn't said anything about the relationship between her and Jordan, but Jordan has given Arianators many hints. (Ariana and Jordan fooling around.)
Ariana's devoted fans are called "Arianators", "The Ariana Army" and "Tiny Elephants".
On, 7/28/2012, Justin Bieber tweeted about Ariana's cover of Die In Your Arms that she uploaded on her YouTube channel, Osnapitzari .
Ariana is getting her own spin-off show along with iCarly star, Jennette McCurdy (Sam) so far called "Sam & Cat".
Ariana started filming for "Sam & Cat" on September 18, 2012.
Ariana has a dog named Coco.
Ariana's favorite One Direction song is "One Thing".
Ariana will be in an upcoming Nickelodeon movie called "Swindle", along with several other Nick stars. In this movie Ariana will be portraying a very peppy cheerleader named Amanda.
Ariana went to the "Madonna" concert with her mom in Vancouver on September 29, 2012.
It has been rumored that Ariana is now dating youtube sensation, Jai Brooks from the Janoskians, however it appears to be a joke and just Ariana flirting and both are denying the rumor. They have actually never met in real life. 
She loves nutella and can apparently "eat a tub to herself"