Well, the dress has been found ... to be a fake!
The thief who took the gown says he took the dress from Lupita's room at The London after finding the door ajar.
[Image via WENN.]
And don't you ever forget!
The shoot took place on board a luxury yacht just off Marina del Rey where the new mom proudly showed off her post-baby bod.
Not bad for popping out a baby 5 weeks ago!
[Image via AKM-GSI.]