Paris Hilton's house was robbed in the early hours of Friday morning, say police.

A man wearing a hooded sweatshirt and gloves forced open the front door and ransacked Hilton's bedroom, according to testimony from a security guard at the residence.

Hilton was not home at the time of the burglary. reports that the star was in town, however, and seen partying into the wee hours at Bar Deluxe in Hollywood with singer Katy Perry and blogger Perez Hilton.

Click for photos of Paris Hilton.

An LAPD officer says the break-in occurred around 5 a.m. at the reality star's home in a gated community in the Sherman Oaks neighborhood of Los Angeles.

The Los Angeles Times reports that $2 million worth of jewelry and other belongings were stolen.

The investigation at Hilton's house is ongoing. The house is equipped with security video equipment, and those recordings are being reviewed.

Hilton told Esquire magazine that "the best thing I've ever bought with money is my house. Having a nightclub in your house really helps for having a party."

There is no word yet as to whether her house's nightclub was spared.