Misplace something? How about something that could cost as much as a house? What's missing and who is looking around their hotel room? 

The 'missing dress' is a one-of-a-kind pearl dress that Oscar winner Lupita Nyong'o wore to the Oscars last Sunday night. It is covered with six-thousand pearls, maybe you have seen it? The 150-thousand-dollar Calvin Klein gown was reportedly stolen from Lupita's hotel room at The London hotel in West Hollywood while she was out Tuesday.  TMZ says authorities are reviewing surveillance footage for clues.  Lupita, who won the Best Supporting Actress Oscar last year for "12 Years A Slave," was a presenter at this year's ceremony. 

 Here is what you should be on the look out for: