Ariana Grande celebrated her 31st birthday by sharing a nostalgic video from her childhood on Instagram, showing her singing and dancing enthusiastically. Her older brother and Wicked costar, Frankie Grande, and celebrities like Reese Witherspoon and Cynthia Erivo, sent heartfelt birthday wishes. Grande's career milestones include numerous chart-topping hits, versatile collaborations, and starring as Glinda the Good Witch in the upcoming film adaptation of Wicked. Known for her iconic ponytail, Grande's hair evolution has seen various colors and styles, culminating in a platinum shade for her role in Wicked.