Lea Michele kicked off the year with a makeup-free selfie.
Gabrielle Union let her freckles shine in a selfie from January.
Kylie Jenner shared a candid moment with baby Stormi on her Instagram story in April.
Demi Lovato took off her makeup in a viral video in March.
Christina Aguilera made headlines for ditching her makeup on the cover of Paper Magazine in March.
Tyra Banks still managed to "smize" even with no makeup.
Mindy Kaling went "no filter" for a photo from February.
Leighton Meester was spotted with a low-key look in January.
Zendaya treated her 53.7 million Instagram followers to a casual selfie back in April.
Bella Thorne shared a natural close-up selfie while debuting a new hair color.
Helen Mirren took showed what it takes to get ready for the Oscars back in March.
Ellen DeGeneres and wife Portia de Rossi had a makeup-free day at the beach in March.
Cindy Crawford showed off her "meaningful beauty" back in April.
Hilary Duff celebrated "No-Makeup Monday" back in April.
Jessica Simpson took her makeup-free photo first thing in the morning.
Yara Shahidi shared a selfie featuring very little makeup back in June.
Gwen Stefani kept her makeup low-key in a photo from June.
Model Winnie Harlow shared of photo of a "no makeup type of day" on Instagram.
Sarah Hyland used her makeup-free selfie from July to send a message.
Ariel Winter kept her look casual for an Instagram post from July.
Drew Barrymore and Cameron Diaz went makeup-free together in July.
Salma Hayek's Instagram feed is filled with some fun, candid moments of her daily life, like this selfie from July.
Iaconetti was at Martinez's side in a similar fresh-faced look.
"The Bachelor" star Bekah Martinez went for a natural look on the Instagram page of former contestant Ashley Iaconetti.
Anna Paquin shared a makeup-free selfie after getting one of her favorite facial treatments in September.