Mary-Kate Olsen | PEOPLE.com

Ashley and Mary-Kate Olsens' Most Anti-Olsen Moments

Kate Spade's Celebrity Fans and Most Memorable Pop Culture Moments

Ashley and Mary-Kate Olsen Continue Their Black-on-Black Style Streak at the 2018 CFDA Awards

See Every Olsen Twin Met Gala Look (Spoiler: They're All Amazing)

Ashley and Mary-Kate Olsen Continue Their Met Gala Style Streak (and We're Still Obsessed)

16 Childhood Photos of Celeb Sisters That Are Guaranteed to Melt Your Heart

Mary-Kate and Ashley Olsen Make Rare Appearance Wearing Matching Turtlenecks and Skirts

Kate Mara & Jason Clarke Talk Ted Kennedy’s Life in Chappaquiddick and Reflect on Some of Their Earlier Roles

Elizabeth Olsen Addresses the Rumor She'd Play Grownup Michelle Tanner in Fuller House

'Got Milk?' 16 Celebrities Who Rocked a Milk Mustache for the Famous Campaign