Bella Hadid extended warm wishes to her sister Gigi Hadid on her birthday as she shared a touching message, reflecting the strong bond between them.

Taking to her Instagram, the model penned a long note along with a series of adorable throwback pictures of her and Gigi’s childhood.

She wrote, "Happy birthday princess of genovia I love you so much.”

Bella added, “Life without you would be nothing, I would be nothing! You inspire me and make me feel strong.”

While reflecting on her bond with Gigi’s daughter Khai she said, “Watching you give birth and then raise the most perfect angel is the most magical gift a sister could ask for. I feel so lucky. You are the best &coolest mama , best sister, best daughter, and best friend.”

“Anyone who has the privilege to be in your orbit is lucky , indeed! I love you sissy, you make me feel proud to be your sister,” Bella added.

“I’m obsessed with you in every single way! @gigihadid my jelly, giggles , sissy pantelones for life,” she concluded the post.

"I love you soooooo!!!!!!!!!!," Gigi said in response to Bella in the comment box, expressing her affection for her sister.