Julianne was in Hollywood on Friday night visiting a friend at her apartment.  A few hours later she walked out to her car, and looked in horror as she saw the door wide open and inside ransacked!!!! She had parked her Mercedes out front (it is unclear if she had left it locked or unlocked).  Three pieces of jewelry were stolen that were given to her from boyfriend Ryan Seacrest.  We don't have specifics on the three pieces of jewelry, but we've confirmed that the total value is $100K.

SOURCE:  TMZ