( CNN ) The pearls ? ! The swine ! The $ 150,000 pearl-studded gown worn by actress Lupita Nyong ' o to Sunday 's Academy Awards was stolen Wednesday from her hotel room in West Hollywood , California . Detectives on Thursday were investigating the theft at the London , a luxury hotel just off Sunset Boulevard , said Lt. William Nash of the L.A. County Sheriff 's Department . The theft was first reported by TMZ . Nyong ' o made an immediate fashion splash when she hit the Oscars red carpet in the plunging custom Calvin Klein gown encrusted with 6,000 white Akoya pearls . Fortune estimated the value of the pearls alone at $ 150,000 . The gleaming ensemble landed Nyong ' o on many Oscars best-dressed lists . Gushed the Los Angeles Times , `` How can you not be impressed by the workmanship on this pearl-palooza ? '' Representatives for the actress had no immediate comment on the theft . After earning an MFA from Yale Drama School , Nyong ' o won a best supporting actress Oscar last year for her first major film role in `` 12 Years a Slave . '' She is set to co-star in J.J. Abrams ' `` Star Wars : Episode VII — The Force Awakens , '' due in December . Nyong ' o told Yahoo ! that she helped guide the design of the gown . `` It was so much fun to create this dress , '' she said on the red carpet . `` We talked about it being fluid and liquid . I wanted it to be an homage to the sea . '' In a prepared statement , representatives for the London hotel said , `` This is a terribly unfortunate situation and we are working with law enforcement on their investigation . '' CNN 's Stella Chan contributed to this story .
A cream - colored dress worn to Sunday 's Choice Awards was stolen from a dressing room . Actress Florence Nyong ' o wore the dress , whose value is estimated at $ 150,000 .