Katy Perry is stunning in a glittery, sheer red dress as she gets festive in London and shows off her weight loss.

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

Katy Perry turned heads ... stunned in a sheer red sequin dress that highlighted her strikingly slim waistline. The bold and fiery ensemble featured a thigh-high slit and a transparent midriff ...

Katy Perry appeared holiday-spirited in a side-baring ... side cutouts. Her dress also had a unique string detailing that transformed into fringes and an epic thigh slit that made her appear ...

Pop sensation Katy Perry is preparing ... The beautiful dress featured a plunging neckline that showed off a lot of cleavage and two massive side cutouts. The rest of the dress was completely ...

But one person who's wasting no time is Katy ... side cut-outs spanning pretty much the entire length of Katy's torso and an additional key-hole cut-out at her stomach. However, it was at the ...

Perry wore a body-con patchwork maxidress with ruffles made out of graphic tees. The top portion of the dress featured the ... and another gray shirt with a slit that allowed the star to walk.

Katy Perry has been, uh, kinda busy. After launching her seventh album, 143, last year — complete with some srsly iconic looks — she's embarked upon a major side ... but Katy's dress was ...

"Why is Katy Perry’s dress making me hungry," the user asked ... Speaking of treats, another Instagram account shared a side-by-side of Perry next to cotton candy. A miniature Perry was ...

Katy Perry appeared to take a leaf from Zendaya’s Dune style book as she embraced a sci-fi aesthetic on Saturday. While attending the 11th Breakthrough Prize Ceremony at Santa Monica's Barker ...