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.]
The Saturdays strut their stuff down Robertson Blvd on Wednesday to shop at Kitson.
Rochelle Wiseman, Vanessa White and Mollie King also didn't give a hoot about Una showing off the fun pillow as they stood behind her laughing and looking stylish.
We're just glad Una's baby, Aoife Belle, can't read yet!
[Image via Michael Wright/WENN.]