Katy Perry is stunning in her plunging corset dress as she goes braless for dinner in Paris with some very famous faces.

Katy Perry has been shamed for going braless as she shows off her weight loss in a slinky, glittery dress and heels.

Another wondered why she suddenly felt the need to eat. "Why is Katy Perry’s dress making me hungry," the user asked, placing Perry's photo beside a doll in a cake shaped like a dress.

The Roar hitmaker, who shares the four-year-old with actor Orlando Bloom, posted an array of pictures and videos to Instagram on Friday showing 'tidbits' from her world tour so far. Katy ...

Her latest look for Monte Carlo reflects the recent stylings of friend Katy Perry ... night out that included a boat party on the Seine and drinks at the Cheval Blanc hotel rooftop in Paris.

Katy Perry strikes a pose ... stuff to counter the nasty world order. The dancers doing a dystopian Village People impersonation. Picture: Jonathan Ng Watch out Katy, he’s beside you!

Vogue then donned a light blue long sleeve cut out dress, which she said was 'so excited to wear' for the main event. This was followed by a cotton shirt two-piece set which was for the beach ...

Then, the Simple Life star changed into a figure-hugging minidress with a dramatically low-cut bustier bodice and ... To keep her hair out of her face while she sang and danced the night away ...