They sure don't need this type of stress! Pregnant Kourtney Kardashian and Scott Disick had their Hamptons rental broken into; thieves got away with a suitcase filled with $4k in cash. The reality stars reportedly believe it is someone close to them, perhaps a crew member, as there was no sign of forced entry and nothing else was stolen.

The incident allegedly took place between July 1 and 4 of this year.

The longtime partners, who are currently staying on Long Island to film Kardashian spin-off "Kourtney and Khloe Take The Hamptons," experienced something similar in their Calabasas home in February, where $50k was stolen, shortly after Khloe was robbed of $250k in jewelry.

We believe the money was stolen from the briefcase in the residence," a Southampton Town Police rep told Us Weekly. "We do not believe anyone was home at the time of the incident."

"The charge is Grand Larceny Third Degree because of the amount of money - $4,000 - that was removed from a briefcase," the rep continued. "The crime was reported on July 8th. It's an ongoing investigation... We do not have any leads as to who stole the money."

The couple was spotted over the weekend Women's Health "Party Under the Stars" event for RUN10 FEED10.  Kardashian showed off her baby bump in a white lace jumpsuit, while Disick opted for a casual plaid shirt with black pants.

Disick was making headlines for all the wrong reasons before giving up drinking until his brunette beauty gives birth. He was spotted partying on numerous occasions while Kardashian stayed home, and went to the hospital in June for alcohol poisoning.

"He stopped drinking cold turkey-and promised he won't drink again until after Kourtney gives birth," a source told the mag. "Scott knew he had hit rock bottom."  

Can you believe they were robbed? Let us know your thoughts in the comments section below!