He's the designer who revealed J Lo is pregnant and is creating the Spice Girl's outfits for their upcoming world tour.
Now thousands of ordinary women have snapped up pieces by Roberto Cavalli after he launched a one-off H&M collection today.
Shoppers pushed and shoved into 200 H&M stores around the world to get their hands on the range. All the accessories and the signature sequinned dress had sold out at the UK flagship branch in Oxford Street within an hour.
Some fashionistas had been queueing from 5am for their chance to own the designer wear.
The chaotic scenes in H&M
Two eager shoppers snap up the bargains
Fashion students Leigh Herbert and Daniel Hull, both 20, were two of the first people to arrive at the London branch this morning, before splashing out hundreds on a dozen items between them.
Leigh said: "I bought four dresses and Daniel has bought a shirt, a necklace and presents for his friends.
"We are fashion students and we did the same thing for the Stella McCartney launch. We are just mad about fashion designers, especially Cavalli."
Others were clearly hoping to capitalise on the frenzy. Within an hour of stores opening, Cavalli pieces appeared on internet auction site Ebay at inflated prices.
Sacha Pinson, a 33-year-old accessories buyer from North Acton, said: "This is mad, it's a bunfight.
"Everyone around me is grabbing whatever they can in a number of sizes. Some people are not even trying things on. They might not even wear it in the future but they can say they have a piece of Cavalli."
The queues form outside H&M
Eager shoppers grab what they can from H&M's Cavalli collection
An H&M spokeswoman Chloe Bowers said the Birmingham store had sold out of stock in just 20 minutes.
"As the doors opened this morning people were grabbing whatever they could piling it up on their arms and going to try things on," she said.
Roberto Cavalli's collection is another storming success for the Swedish store who have also had popular lines designed by Stella McCartney and Karl Lagerfeld.
The capsule wardrobe includes fabulous eveningwear with an explosion of animal prints and lurex and a knockout gold sequinned flapper dress for £149.99.
For the daytime there is officewear with a twist of glamour - a fringed leather bolero jacket for £149.99, a white sleeveless ruffled blouse for £29.99 and silk leopard print tunic for £39.99. A dashing zebra print trench coat, £99.99, will take you anywhere.
Accessories include bone and pearl pendants, a golden cuff for £9.99, strappy gold sandals for £69.99 and black satin Mary Jane shoes.
The menswear is sharply tailored and masculine picked out in browns and midnight blues. Shirts are black or white and £39.99 and T-shirts include silk front or side panels for £14.99. Accessories include a slim tie, and serpent shaped necklace, pin and cufflinks with prices starting from £5.99.
Roberto Cavalli (centre) with models in his H&M creations
Cavalli's collection features leopard and zebra print. The leopard print corset is £34.99 and jeans are £39.99. The animal print tights are £9.99
Cavalli, who usually dresses the likes of Madonna, Beyonce and Victoria Beckham, said he was excited by his line that features 25 pieces for women and 20 pieces for men.
"I love freedom and challenges; breaking down barriers, experimenting in different directions," the Italian said.
"H&M is all this for me. I will add a dash of festivity and dreams."
H&M's head of design Margareta van den Bosch added: "Roberto Cavalli has created a world of his own, iconic and full of fantasy, when it comes to colours, prints and style.
"They represent an exuberant, successful lifestyle."