“Halloween became one of the last bastions of free expression for adults — the one day in which almost anything went,” said ...

Ariana Greenblatt and Paris Hilton attend the LACMA Art + Film Gala in L.A., while Katy Perry performs live in Bologna, Italy. Meanwhile, Chris Martin sings at a festival in Belém, Brazil. Here are ...

Keira Knightley grins for an appearance on The Graham Norton Show with Malala Yousafzai, Aimee Lou Wood and Chris McCausland in London on Oct. 30. Meagan Good and Jonathan Majors show up to their ...