Lauren Conrad and her boyfriend of three years have called it quits. What do YOU think went wrong?

Almost as quietly as it began, Lauren Conrad and actor Kyle Howard have ended their three year relationship, reports E! News.

“Sources close to the now ex-duo confirm that the breakup was a mutual decision and that no third parties were involved,” they report.

One of the biggest reasons Lauren, 24, quit starring on MTV’s hit reality show, The Hills, was so she could maintain her personal life — especially a relationship — without cameras around 24/7. In fact, Lauren and 33-year-old Kyle’s romance was thought to be going so swimmingly, they were rumored to be engaged earlier this year!

Although we’re glad to hear their split was drama-free, we’re bummed it didn’t work out. LC and Kyle made a cute couple!

Kirstin Benson