She donned a taupe-colored top to match the lining of her long furry trench coat which featured a thick collar and leather accents.
Gigi shared an adorable throwback image as a toddler in her mother's arms to her almost 38 million followers.
She said of her birthday: 'I'm going to - you know, I've obviously come out of a seven-year very bad cycle and I haven't really celebrated my birthday. I feel so lucky that I got such a bad-ass, independent, smart, and creative human to call my super-mom!
Bella took to her Instagram stories to detail her quick trip back east to surprise the former Real Housewives of Beverly Hills starlet on her birthday. "I am praying and thinking so much for our friends in the hospital and their families that are still missing", she wrote.
'It's about you being your personal best, you know what I mean? Even though there were reports that the two of them had reunited recently, after The Weeknd's breakup with Selena Gomez and fans were hoping that the couple would return, it seems that Bella Hadid has officially moved on. On Wednesday, it was revealed that the supermodel has a new suitor in her life - and it's one of her bestie's exes!
Making a Model With Yolanda Hadid premieres on Lifetime on Thursday, January 11, at 10 p.m. ET.
In a sisterly fashion moment yesterday, Gigi and Bella Hadid stepped out in style to celebrate Yolanda Hadid's 54th birthday.
Yolanda - who also has 18-year-old son Anwar - is pleased her daughters have a friend in the showbiz world who can help them cope with the whirlwind of fame, but she isn't concerned about them as she understands it is "their journey".