Taking to Instagram, the star shared a cute snap of herself to mark the special day, and fans flooded the post with celebratory note.
“Life is the biggest party you will be at,” she captioned snap.
Shauwn Mkhize who has stood by the young lady as a mother also celebrated her on social media.
View this post on Instagram
“Help me wish my Sebastian @sbahle_mpisane happy birthday you have grown to be this amazing woman that mommy is so proud of , you resilience and determination has been so amazing , 