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 left 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 Pena (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 to wear dresses.
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 showGossip Girl,America's Next Top Model, and Project Runway.
Ariana's first crush was Justin Timberlake (she was three).
Ariana has three dogs named Coco, Toulouse and Ophelia.
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. On October 1, 2013 she reached 10 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.
During an interview, Ariana confirmed that she hated "Put Your Hearts Up" and the video itself, calling it a "terrible first impression". She also revealed that the genre incorporated in the song wasn't the type of music she listens to.
Ariana put her hands in cement at Planet Hollywood, New York on December 22th, 2011.
Ariana was in a relationship with Austalian Jai Brooks, from the Janoskians since August 2012. He flew across the world to meet Ariana and family in New York for New Years. In February 2013 they briefly broke up due to the long distance, however, less than a month later confirmed they are back together. On August 16, 2013, Ariana Grande and Jai Brooks broke up again.
Ariana went to two schools while growing up, Pine Crest School and North Broward Preparatory School .
Ariana said that she likes Demi Lovato's new single called "Heart Attack". She also said that Demi sounded amazing in the song.