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.

Discover viral Katy Perry moments, including her all-female space flight, Met Gala outfits and responses to internet conspiracies ...

After a seven-year hiatus, Katy Perry is back on the road on her The Lifetimes world tour. The tour kicked off this spring and is making its way to over 80 scheduled stops around the world.