French fashion designer Thierry Mugler is dead. He died on Sunday at the age of 73, according to a statement on his Facebook page and Instagram channel.

This was also confirmed by his agent Jean-Baptiste Rougeot of the AFP news agency.

His death came unexpectedly, he wanted to announce collaborations next week.

Mugler was one of the great French fashion designers such as Yves Saint Laurent and Jean Paul Gaultier.

Many stars and former companions spoke up on social networks: "I will miss you, Thierry Mugler, it was a wonderful time in our lives," Souldiva Diana Ross wrote on Twitter.

The musician also posted a photo of the two from a young age.

Fashion photographer Mario Testino posted five broken hearts under the announcement of his death on Instagram.

France's pop icon Carla Bruni, "Topmodel" presenter Heidi Klum and US model Gigi Hadid also commented on the post.

Georgia May Jagger, Mick Jagger's daughter, wrote: "I can't believe this is true".

The fashion designer founded his brand in the 1970s and had a strong influence on fashion, especially in the 80s.

Mugler has also worked as a director, writer and designer, including for Cirque du Soleil.

Stars like Beyoncé, Lady Gaga and David Bowie also wore his dresses.

Mugler also had success with perfumes.

He was born in Strasbourg in December 1948.