[5] In 1909 Lanvin joined the Chambre Syndicale de la Couture, formally making her a couturier.

[9][13] Mon Péché (My Sin) was released in 1925 formulated by Maria Zède (Madame Z) and André Fraysse.

[4] The perfume was created to celebrate her daughter Marguerite's (by now a musician) thirtieth birthday with the title translating to arpeggio in English.

[22] In 1995 Ocimar Versolato was appointed as designer for the women's ready-to-wear line, he showed his first collection in March 1996.

[22] Versolato created an evening wear line under the Lanvin name for Bergdorf Goodman in 1996.

[25] However, in 2003 Wang bought out the other investors of Harmonie S.A.[26] Joix Corporatic became the ready-to-wear licence holder in Japan in 2005, with a retail value of €50 million.

[30] On 28 October 2015, Lanvin announced that Elbaz was no longer at the company, due to differences of opinion with the shareholders.

Jarrar left the following year and was succeeded by Olivier Lapidus, who departed on 23 March 2018, after only two seasons.

[35] On 11 June 2024, Vogue reported that Lanvin would reveal a new creative director in the coming days.

[36] On the 27th of June it was announced that Peter Copping would become the brands artistic director, leading both the womenswear and menswear collections.

[37] In October 2001, Alber Elbaz was appointed the Lanvin artistic director for all activities, including interiors.

His work, characterized by dramatic flowing silhouettes showcasing luxurious fabrics, was critically well received.

[38] In 2006, he introduced new packaging for the fashion house, featuring a forget-me-not flower color, Lanvin's favorite shade which she purportedly saw in a Fra Angelico fresco (Suzy Menkes, 2005.).

While enjoying a revitalized reputation in luxury, Lanvin received mainstream press in the United States in May 2009 when Michelle Obama was photographed wearing a popular line of Lanvin's sneakers made of suede with grosgrain ribbon laces and metallic pink toe caps while volunteering at a Washington, D.C. food bank.

[46] Sialelli had worked with Jonathan Anderson at Spanish brand Loewe prior to the appointment and was presumed to be facing "great pressure to turn things around for the Maison.

In June 2024, Peter Copping was announced as the next artistic director of Lanvin, effective September 2024.

[49] His previous work experience includes leading Balenciaga's return to Haute Couture, and creative director positions at Oscar de la Renta and Nina Ricci.

For its advertising campaigns, Lanvin has been working with photographers like Craig McDean (2000)[59] and Steven Meisel (1999, 2012, 2022).