The RHOBH star turned 52 Monday

Updated January 11, 2016 05:20 PM
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Credit: Instagram

Yolanda Foster is celebrating her 52nd birthday like royalty, with a little help from her children.

“When it’s your bday but you’re also a queen,” Foster’s model daughter Gigi Hadid captioned a photo of her mother wearing a birthday crown.

In a throwback photo of her mother, Gigi, 20, called Foster “the best mom and friend I could ever hope to have.”

Gigi’s sister Bella Hadid shared a throwback photo of Foster with her children on a horse, writing, “Happy birthday to my best friend and guardian angel… Thank you for being the beautiful light and soul, in not only my life, but every single person in your path.”

Foster has had a challenging year, splitting from husband David in December and continuing to battle Lyme disease, which Bella, 19, and her son Anwar also suffer from.

Foster is looking forward to a positive year, writing in an Instagram post that her birthday wish is to find a cure for the disease.

“Celebrating endings-for they precede new Beginnings…… All I wish for today is a chance at a healthy life without counting spoons so that I can continue my quest in finding a CURE for #LymeDisease affordable for ALL,” she captioned a photo of her blowing out candles.