Former Hills star Lauren was spotted running errands and it was hard to miss the beautiful rock adorning her wedding finger.
Earlier this month, Lauren announced that she had got engaged to her long-term boyfriend William Tell.
Speaking at the time, Lauren gushed: "I am very excited to share with you guys that William and I got engaged over the weekend. I am beyond thrilled!"
Stepping out in the California sunshine yesterday (28 October), Lauren brightened up the day further by wearing a red knitted jumper teamed with a pair of black skinny jeans.
The reality star-turned-fashion designer topped off her look with ankle boots, a red manicure, sunnies and - of course - her new piece of jewellery. Stunning!
Just days after William popped the question, Lauren's Hills co-star Holly Montag announced that she had also got engaged.
See who else is engaged in our gallery below!
Copyright: Instagram Mark Wright