Lauren Conrad Engaged 2013: See Engagement Ring! Plus 5 Things to Know About William Tell [VIDEO]

Lauren Conrad has announced her engagement to boyfriend William Tell. The former star of "The Hills" took to social media to reveal the news, the Washington Post reported. Conrad, 27, tweeted "We're engaged!" Conrad also posted a photo of the engagement ring. The reality star turned fashion-designer and author also shared the exciting news on her personal website, writing "I am very excited to share with you guys that William and I got engaged over the weekend. I am beyond thrilled!" Inundated with comments of support and congratulations, (including celebrities like Haylie Duff) Conrad posted an update stating "William and I are overwhelmed by all of your warm wishes. Thank you so much for sharing in this special moment :-)"

Lauren Conrad has been daring Tell since May 2012. Conrad rose to fame thanks to reality show "Laguna Beach: The Real Orange County," which revealed the lives of her and her close friends. Conrad moved to LA to pursue a career in fashion and then starred in her own spin-off reality series "The Hills." The series became highly successful, following the erupting conflict between Conrad and her friend Heidi Montag and Montag's boyfriend Spencer Pratt. Since leaving "The Hills," Conrad launched the fashion line "LC Lauren Conrad" and released the book trilogy "L.A. Candy," which became a New York Times bestseller.

While television has granted us intimate access to Conrad's life and relationships, here are five things you might not know about William Tell:

1. His father (also called William Tell) taught him to play guitar when he was young.
2. He played guitar with the band "Something Corporate", releasing an EP in 2001 and two full-length albums.
3. He launched his own solo career with an album titled "Sounds" released in 2004.
4. He has subsequently left the music business to study Law at the University of Southern California (USC).
5. He dated actress Brittany Snow.