JoJo Siwa celebrates her Sweet 16 Birthday at W Hollywood on April 09, 2019 in Hollywood, California.
(April 08, 2019 - Source: Getty Images North America) see more angles »

JoJo Siwa Heart Pendant

JoJo Siwa sealed off her glittering ensemble with a heart pendant.

JoJo Siwa Ponytail

JoJo Siwa sported her signature tight ponytail during her 16th birthday celebration.

JoJo Siwa Hair Bow

Of course, JoJo Siwa's 'do wouldn't be complete without her trademark bow.

JoJo Siwa Face Painting

JoJo Siwa further jazzed up her look with some face painting.