Later successful March, Ariana's brother Frankie Grande exclusively told E! News' Francesca Amiker astir his sister's audition process, and the infinitesimal she told him she landed the role.

"She worked very, very, very, very, precise hard connected the audition process and she would fto maine successful afterwards and archer maine however each 1 of them went," Frankie recalled. "I retrieve erstwhile she told maine that she booked it, we conscionable some burst into tears together. Because it was thing that she had been dreaming of her full life."

Indeed, it's harmless to accidental that imagination travel existent has exceeded her expectations. On April 3, Ariana penned a message connected what accumulation has been like.

"Savoring each millisecond near with my Galinda (although she'll beryllium with maine irrevocably, forever)," Ariana wrote. "She shows maine truthful galore caller things each day. one americium truthful grateful, one don't cognize what to bash oregon say… to beryllium present successful Oz wherever mundane is simply a beingness changing one… to beryllium feeling, learning and increasing truthful overmuch astatine specified a disarming speed… to consciousness truthful overmuch emotion astir me, to statesman each time earlier the prima is up and to extremity aft it sets… to clasp my superb duplicate occurrence / sister Cynthia's beautiful, greenish hands each day… to enactment successful the safest, astir beauteous and loving, biggest-yet-most-intimate/tiny-feeling spaces."

Cynthia responded to Ariana's passionate words by penning successful the remark section, "My saccharine sweet sister. I emotion you truthful so much, this clip has been truthful transformative, I tin not ideate my beingness without you successful it!! More beauteous days successful Oz ahead, and much successful our lives !!! Stuck with me!!"

(E! and Universal Pictures are portion of the NBCUniversal family.)