The singer turned 28 on Saturday and marked the occasion by posting a baby picture of herself on her Instagram page.
"hbd tiny, i am taking care of you !" she captioned the sweet snap while her famous friends wished her a happy birthday in the comments section.
"Adorable & happy b day!!" her former Victorious costar Victoria Justice wrote, while Khloé Kardashian added, "Happy birthday queen!!!!!!!!!!!!"
Grande's brother Frankie also celebrated the star on his own Instagram page, captioning a pic of the pair, "Ariana you are always there for me, you lift me up when I am down, you make me smile and laugh until my cheeks hurt, and you bring me and everyone you meet such joy? so today I celebrate you and the remarkable person you are! I love you with my whole heart and wish you the greatest day ever. You deserve it. HBD sis. ????????????????"
Grande has hit a number of milestones in the last year since her 27th birthday. She released her sixth studio album, Positions, and got both engaged and married to now-husband Dalton Gomez.
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