For Lauren Conrad, betrayal has been a fact of life.
"I want to say I can always trust my good friends that I've had forever, but at the same time, some of my oldest friends have betrayed me," the Hills star reveals in the latest issue of Us Weekly, on newsstands now.
For the first time, Conrad opens up to Us in an exclusive interview about how ex Brody Jenner went public with a new girlfriend just days after she left for Paris while best friend Audrina Patridge buried the hatchet with Conrad's ex-BFF, Heidi Montag.
"At this point, I have to question every person that wants to have a relationship with me, whether it's a friendship or a romantic relationship," she tells Us.
The latest betrayals have been especially difficult for Conrad, who battled sex-tape rumors allegedly spread by Montag and caught one-time beau Jason Wahler in a liplock with another girl.
"Audrina has to remind me that she's not someone who's going to betray me," Conrad, 22, says pointedly.
As for Jenner's rebound, she says, "When you have that type of thing, you always have to question, 'Why wasn't I good enough?'"
"It's disappointing to have to question relationships," sh