10/13/2013 AT 1:10 PM ET
We’ve seen Lauren Conrad pull off many a stylish ensemble – and pretty soon, she’ll be all dressed in white: The former reality star is set to wed law student William Tell.
“I am very excited to share with you guys that William and I got engaged over the weekend,” Conrad, 27, wrote Sunday on her blog, where she also shared a snapshot of her new accessory: a diamond stunner. “I am beyond thrilled!”
Conrad’s friends are just as excited for her strut down the aisle.
“Everyone is so happy for her. He’s such a great guy. They are perfect for each other!” a source tells PEOPLE.
And fans should expect a behind-the-scenes look at the fashion designer’s big day. “Get ready for lots more wedding content [on my blog] as we begin the planning process,” she teased.
Her sweet announcement comes on the heels of news her first serious boyfriend (and Laguna Beach love), Jason Wahler, married model Ashley Slack on Saturday.