87th Annual Academy Awards - ArrivalsAcademy Award winner Lupita Nyong'o turned heads on the Oscars red carpet last Sunday when she stepped out in a stunning, pearl-encrusted gown. But now, the custom-made dress has been stolen.

TMZ reports that the gown was taken from Nyong'o's hotel room at The London West Hollywood sometime between 8 a.m. and 9 p.m. on Tuesday. The Calvin Klein ensemble, which is covered in 6,000 pearls, is reportedly worth $150,000.

According to TMZ's report, Nyong'o informed local police that the dress was stolen while she was gone for the day. Law enforcement officials have visited the hotel and obtained security footage to determine just who made off with the precious garment.

Check out a full picture of Nyong'o in the stunning gown below.

US-OSCARS-ARRIVALS-NYONG'OPhoto credit: Getty Images, AFP/Getty Images