American actress Joey King in the second decade of May 2024 shares a silly selfie sipping a cocktail. (Photo by joeyking/Instagram)

American actress Elle Fanning arrives for the 77th Tony Awards at Lincoln Center in New York on June 16, 2024. (Photo by Eduardo Munoz/Reuters)

Victoria's Secret Angels (fromL) Brazilian model Adriana Lima, Swedish model Elsa Hosk, Brazilian model Alessandra Ambrosio, US model Taylor Hill, US model Martha Hunt and Portuguese model Sara Sampaio cheer during the 2016 Victoria's Secret Fashion Show at the Grand Palais in Paris on November 30, 2016. (Photo by Martin Bureau/AFP Photo)

The photo project was done for the organization Fishlove and included some other U.K.-based celebrities posing in the buff with critters ranging from bass fish to sharks. Its goal is to raise awareness of how overfishing is destroying the oceans. The release of Gillian's nearly nude pic, which was snapped by French portrait photographer Denis Rouvre, is timed with a European Parliament vote on banning destructive forms of deep-sea fishing in the Northeast Atlantic. The Fishlove organization is trying to rally voters to sign a petition ending deep-sea trawling – which, according to scientists, is negatively impacting the fish population and their habits – and Gillian solicited signatures in a Twitter post. Photo: “Fish Love” Project by Photographer Denis Rouvre. Gillian Anderson. (Photo by Denis Rouvre)

Actress Hiba Abouk attends Hugo Boss night party 2011 on December 13, 2011 in Madrid, Spain. (Photo by Carlos Alvarez/Getty Images)

Actress Anne Hathaway attends the “The Dark Knight Rises” World Premiere at AMC Lincoln Square Theater on July 16, 2012 in New York City. (Photo by Jim Spellman)

American actress Kiernan Shipka stretches her hot-pink look across a boat in the second half of April 2022. (Photo by Instagram/kiernanshipka)

American actress Kiernan Shipka poses with “May flowers” in Venice, Italy in the last decade of May 2022. (Photo by kiernanshipka/Instagram)