Heidi Klum and daughter Leni set pulses racing in red lingerie. The pair star in a new campaign for Italian underwear and accessory firm, Intimissimi. German supermodel Heidi, 49, and Leni, 18, her daughter with Flavio Briatore, previously starred in a campaign for the brand. They pose here in red ahead of Christmas on November 22, 2022. (Photo by Intimissimi/The Mega Agency)

Students protest in red underwear on the Plein in The Hague, The Netherlands, 02 June 2021. The action is part of the #NietMijnSchuld campaign by Dutch union FNV Young & United and the National Student Union LSVb, which are campaigning for a debt-free basic grant. (Photo by Bart Maat/EPA/EFE)

Transgender model and musician Jessica Cortez reacts as she is prepared before walking in the CHULO underwear show during New York Fashion Week, which raised money for transgender and cisgender young women victims of violence, in New York, U.S., February 7, 2019. (Photo by Andrew Kelly/Reuters)

An East German civilian (L) shows an East German customs officer the contents of his Trabant (auto) at checkpoint Potsdamer Platz in East Berlin in this November 24, 1989 file picture, as East Germany enforcing stringent customs controls to avoid smuggling. (Photo by Reuters)

Australian actress Joy Smithers poses beside a poster featuring Australian cricketer Brett Lee during the official launch of the AceStar underwear range at Pink Salt on August 19, 2008 in Sydney, Australia. (Photo by Mike Flokis/Getty Images)

A street food vendor waits for customers on a footpath in New Delhi, India, November 27, 2018. (Photo by Anushree Fadnavis/Reuters)

A vendor drinks water as she waits for customers at a roadside flower market in Ahmedabad, India, February 8, 2017. (Photo by Amit Dave/Reuters)

Vendors selling vegetables wait for customers under a flyover in the early morning in Ahmedabad, India on February 1, 2017. (Photo by Amit Dave/Reuters)