Pakistan, April 25 -- Gigi Hadid marked her 31st birthday with a wave of love from family and friends, including a deeply personal tribute from her sister, Bella Hadid.

Taking to her Instagram account on Thursday, April 23, Bella celebrated the occasion by sharing a carousel of intimate photos that offered fans a glimpse into their close sibling bond, along with rare moments featuring Gigi's daughter, Khai.

Alongside the post, Bella wrote an emotional message praising Gigi's strength, kindness and growth over the years. "Happy birthday to my best friend, my heart, my mentor, my sister, my happy place, forever and ever and ever," she wrote, adding that she feels "blessed" to watch her sister navigate life with grace and wisdom. She conti...