Katy Perry's wild fashion week! How the singer has changed up her style with a slew of VERY racy outfits as she 'enters a new era' with music release

Katy Perry had her own 'break the internet' moment when she stripped down to a tiny white bikini to promote her big musical comeback.

The singer, 39, shared a sexy photo of herself from a shoot last Monday as she launched her 'new era' with the announcement of her 'empowering' upcoming single, Woman's World.

After shocking fans with her sexy ensemble, Katy wasted no time modelling an array of striking new looks as she headed out on the promotional trail for her new single. 

And with Paris Fashion Week in full swing there's been no better place to try out her sizzling new looks, with Katy often looking like she's stepped right off the runway. 

Now MailOnline take a look back at the Katy's fashion Perr-enaissance and her week of jaw-dropping ensembles. 

JUNE 17

The diva from Santa Barbara flashed her generous underboob in a white string bikini with matching briefs as she posed in a studio

Katy announced her new single by sharing a very sexy pinup photo that showed off her lean figure and abs in a shoot by British photographer Jack Bridgland.

The diva from Santa Barbara flashed her generous underboob in a white string bikini with matching briefs from DU CIEL as she posed in a studio.

And the American Idol judge also added black armor legs that made her look part robot.

The fiancée of Orlando Bloom was announcing her new song Woman's World with a July release date. 'WOMAN’S WORLD. SONG JULY 11. VIDEO JULY 12. PRE-SAVE + PRE-ORDER. GET READY TO POP OFF.'

JUNE 20

Katy Perry put her stellar curves on display as she promoted her new single Woman's World on Thursday 

Katy put her stellar curves on display as she promoted her new single with a racy Instagram post.

In the photos, the Roar singer wore a figure-hugging black leather halter-top jumpsuit with a zipper at the bodice and green and white racing stripes running down the sides.

The American Idol judge left her zipper pulled down low revealing her prominent cleavage.

'START UR ENGINES, WOMAN’S WORLD IS COMING. PRESS THAT PRE-SAVE FOR JULY 11,' she captioned the post. 

JUNE 21 

Continuing on the promo trail, Katy teased her new single with an Instagram reel, but it was her outfit that had everyone talking. 

In the clip, she flashed her taut tummy while wearing a cropped white T-shirt that read 'feminine divine' in capital black letters.

The mother-of-one, who shares nearly four-year-old daughter Daisy Dove with fiancé Orlando Bloom, added low-rise black lounge pants.

Peeking out of the drawstring bottoms was her pink thong as she danced to the synth-heavy track while in a huge, walk-in closet.

She used her lyrics in the caption, writing: 'IT’S A WOMAN’S WORLD AND YOU’RE LUCKY TO BE LIVING IN IT.'

JUNE 23  

Katy had her own model moment as she walked the star-studded runway at Vogue World Paris, and ensured she would be the focus of the show in a barely-there gown  

The singer also looked incredible for the evening as she later slipped into a one shoulder gold and silver tasselled dress

Katy had her own model moment as she walked the star-studded runway at Vogue World Paris, and ensured she would be the focus of the show. 

The Fireworks hitmaker appeared to go completely nude underneath a geometric cut-out dress as she made a surprise appearance on the catwalk in the barely-there ensemble.

She flashed her cleavage in the racy look and covered the rest of her modesty with floral motifs.

The singer also looked incredible for the evening as she later slipped into a one shoulder gold and silver tasselled dress.

The garment featured a flowing train and short front which highlighted Katy's very toned pins.

The hitmaker added height to her frame with a pair of gold heels and styled her raven locks into a ponytail for the evening.

JUNE 24

The singer showed no sign of tiredness after partying into the early hours at the Vogue World Paris afterparty as she emerged the following day in a skintight dress 

Later in the day, Katy looked nothing short of sensational as she changed into a second look a quirky denim co-ord

The following morning, Katy continued to prove her fashion status as she left her hotel. 

The singer showed no sign of tiredness after partying into the early hours at the Vogue World Paris afterparty as she emerged for another day in fashion capital. 

Instead, Katy caused quite a stir as she went braless in a cut out £353 Copermi and Puma sporty dress. 

Katy teamed the look with frameless sunglasses and a small black bag. She wore her dark locks in soft waves and a polished make-up. 

Later in the day, Katy looked nothing short of sensational as she changed into a second look  a quirky denim co-ord,.

Her outfit featured a cleavage enhancing cropped corset and figure-hugging skirt that boasted cut outs and was adorned with metal hardware.

The I Kissed a Girl singer completed the look with a spiked denim jacket which she left fall casually from her shoulders.

JUNE 25 

Katy put on another eye-catching display when she wore a wild optical illusion biker jacket featuring painted-on cleavage

Later in the day she modelled another incredible look as she wore a dress featuring the lyrics to her unreleased new song on the train

Katy put on another eye-catching display when she wore a wild optical illusion biker jacket featuring painted-on cleavage.

She paired the hyper-realistic jacket with snazzy black trousers, also with a painted design, and clear platform heels.

The singer wore the striking outfit to do an interview with NRJ radio station.

Later in the day she modelled another incredible look as she wore a dress featuring the lyrics to her unreleased new song on the train.

Katy looked stunning in the figure hugging one shoulder number with an extremely long train, which trailed behind her as she entered the hotel.

She showed off her amazing figure in the ruched dress which she teamed with black opaque tights and towering stiletto heels.

JUNE 26

Katy showed off her most daring look yet as she arrived for the Balenciaga show in a perilously plunging fur coat while going topless beneath 

Katy showed off her most daring look yet as she arrived for the Balenciaga show in a perilously plunging fur coat.

She set pulses racing by going braless in the revealing look for her latest appearance in the French capital at Haute Couture Fashion Week.

After sources hit back at speculation that Ozempic was the cause of Katy's trim new physique, the star showed off her jaw-dropping abs as she arrived for the show.

Katy teamed her look with distressed illusion boots that gave the impression of being matching tights, and oversized sunglasses.