Her 1.4 million followers were obviously supportive of the new look, writing things like, "Yay!!! Love you as a brunette," "Mega babe!" and "Now bring back The Hills, and the low pony with mad volume hahah!"
It's surely been an exciting 2017 for Patridge so far. The Los Angeles native is newly married, as she said "I do" to her longtime love, Corey Bohan, on Nov. 6, 2016, in Hawaii.
The two are also enjoying parenthood after welcoming their first child together, daughter Kirra Max, last June. "She's growing up so fast," Patridge captioned a snap of her mini-me adorably dressed in a yellow jumpsuit and jean jacket.
While chatting with ET last month, Patridge revealed the secrets to keeping the romance alive with her BMX pro beau, who she's been with for over eight years.
"We've been through all those pitfalls, I feel like, before we got married," she explained. "We experienced the reality side of it, the made-up stories in the tabloids, other people trying to get in between us and the gossip and the rumors."