LOS ANGELES, Calif. --

Megan Fox, her sometime boyfriend Brian Austin Green and former “High School Musical” star Ashley Tisdale were among the celebrity “victims” of a gang of mostly teenage girls who allegedly burglarized a host of star residences, Los Angeles police said on Wednesday.

Today, the District Attorney’s Office filed residential burglary charges against four of the suspects named so far in the case.

Courtney Ames, 18; Alexis Neiers, 18; Roy Lopez, 27; and Diana Tamayo, 19; were all arrested last week and remain free on bail with the exception of Tamayo who is still in custody.

Rachel Lee, 19, who was also arrested last week, has not been charged, pending further investigation, the DA’s Office confirmed to Access Hollywood.

Authorities said they have issued a warrant for the arrest of a man named Jonathan Ajar on firearm and drug possession charges. Ajar, authorities said, has been identified as an alleged participant in some aspects of the case.

An LAPD Captain at the press conference held on Wednesday said the suspects “utilized technology and various Internet resources to track the calendars of high profile celebrities” in order to commit the crimes.

The LAPD said there are a total of seven suspects.

As for the victims, the celebrities targeted include Audrina Patridge, Paris Hilton, Lindsay Lohan, Rachel Bilson, Ashley Tisdale, Brian Austin Green, Megan Fox and Orlando Bloom. In addition, two are non-celebrities. Authorities also said they have not connected the suspects to the recent Kourtney Kardashian burglary incident earlier this month.

Authorities said the value of property stolen is “in the millions of dollars,” with the lead detective estimating the amount at over $2 million.

The LAPD detective said they first became aware of a ring of residential burglaries with celebrities as victims in late 2008.

As previously reported on AccessHollywood.com, last week, Nicholas Frank Prugo, 18, from Calabasas, Calif., was charged in the burglaries. He now faces seven counts of first-degree residential burglary.

Prugo was released on bail, but is scheduled for arraignment on November 12.

The following charges were filed in LA Superior Court on Wednesday according to court documents obtained by Access:

Nick Prugo was charged with First Degree Residential Burglary over a February 23, 2009 incident at the home of Audrina Patridge.

Nick Prugo and Diana Tamayo were charged with First Degree Residential Burglary over an August 23, 2009 incident at the home of Lindsay Lohan.

Nick Prugo, Roy Lopez Jr. and Courtney Ames were charged with First Degree Residential Burglary for a December 19, 2008 incident at the home of Paris Hilton.

Nick Prugo was charged with First Degree Residential Burglary for a May 9, 2009 incident at the home of Rachel Bilson.

Diana Tamayo was charged with First Degree Residential Burglary for an incident on July 1, 2009 at the home of Ashley Tisdale.

Nick Prugo and Alexis Neirs were charged with First Degree Residential Burglary for an incident on Oct. 1, 2009 at the home of Orlando Bloom.

Nick Prugo was charged with First Degree Residential Burglary for an incident on Oct. 1, 2009 at the home of Brian Austin Green and Megan Fox.

Nick Prugo was charged with First Degree Residential Burglary for an incident on Oct. 11, 2009 at the home of Nick Deleo.

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