Chrissy Teigen has revealed that she has battled postpartum depression since the birth of her daughter last year.

The former Sports Illustrated swimsuit cover model and singer John Legend welcomed a baby girl, Luna, in April. She wrote in an essay for Glamour magazine that she has been “unhappy” for much of the last year and discovered she was suffering from postpartum depression in December.

Teigen said she had difficulty after returning to work as a co-host of the syndicated “Lip Sync Battle” and is now taking an antidepressant for depression and anxiety. She is also in therapy.

Teigen said she’s opening up now because she wants people to know postpartum depression “can happen to anybody.”