Maddie Ziegler received a special gift from frequent collaborator Sia on her 16th birthday.
Sia shared a slideshow of photos and videos of herself with Ziegler and the car.
The pictures show Sia embracing Ziegler as they celebrate.
"Happy Birthday to my most special noonoo @maddieziegler," Sia captioned the post.
Stevie Wonder's sons Kailand Morris and Mandla Morris and other friends also attended her birthday celebration.
"Sweet sixteen <3 canít believe this car is actually mine !!" Ziegler captioned her Instagram posting.