Mary-Kate and Ashley Olsen help each other

Mary-Kate Olsen has spoken about the advantages of having a twin sister.

In an interview with Marie Claire, Mary-Kate has opened up about her sister Ashley.

“Sometimes Ash and I have to bring each other back, or push each other more. It’s really helpful to have another half; we’re constantly checking in with each other.”

“I would never wish my upbringing upon anyone… but I wouldn’t take it back for the world.” she added.