Anne Hathaway, Gwyneth Paltrow and Reese Witherspoon were among the stars who turned out to support a new cancer charity initiative in Culver City, California on Tuesday (28Jan14).
Witherspoon and her talent agent husband Jim Toth hosted the event, which celebrated the new partnership between research organisation Stand Up To Cancer and the American Cancer Society.
Bosses at the charities announced they will set aside $10 million each to fund a team of expert lung cancer researchers.
Paltrow, a longtime supporter of Stand Up To Cancer's annual fundraising telethons, walked the red carpet, alongside Hathaway.
Other stars in attendance included Selena Gomez, Christina Aguilera, Lily Collins, celebrity couple Diane Kruger and Joshua Jackson, Zooey Deschanel and supermodel Heidi Klum.
Stand Up To Cancer's co-founder Lisa Paulsen says, "We're honoured to collaborate with the American Cancer Society on such a substantial project to fight lung cancer."