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

Katy Perry made quite a splash again ... saying that it was more of a swimsuit than dress. The bright-orange garment featured several cutouts down the front of the 38-year-singer’s torso ...

Ahead of her American Idol performance, Katy Perry made a grand entrance to the finale in an orange cutout gown with a sheer, sparkling skirt. She was giving off major summer vibes with her sequin ...

Katy Perry knows how to bring it in the fashion ... Katy just dropped a BTS photo on Instagram of herself her stunning orange finale dress that is simply ~everything~. The photo is simple: Katy ...

Katy Perry certainly isn't pulling any punches ... and executing a high kick near the ledge, then rocking an orange paillette-covered dress with a belly cut-out as a cover-up.

A quick scroll through Katy Perry's outfits of late and – when she's not wearing naked dresses and starfish nipple ... Katy is wearing an orange Chanel thongkini. Featuring a triangle top ...

Katy Perry has been ... chic bikinis and lacy numbers. One dress, in particular, was utterly risqué: a see-through tangerine explosion. On Sunday, July 14, Perry shared snaps from her beach ...

The countdown is on for Katy Perry's highly anticipated music comeback ... this week and did more than turn heads in a sultry orange midi dress. Posting photos on Instagram of her tangerine ...

Many noticed there were words emblazoned on the impressive train of her dress - which turned ... READ MORE: Katy Perry stuns in bright orange bikini at pre-wedding party for billionaires Fans ...

Katy Perry hit the runway in a barely-there look at Vogue World: Paris Sunday. The former "American Idol" judge showed skin in a black, strategically cut-out archival Noir Kei Ninomiya dress ...

Katy Perry is no ... While her dress was a head turner, it was the extra-long train that flowed behind her that quite literally made a statement. Perry's train featured empowering lyrics from ...