Despite her sunny persona, actress and singer Mandy Moore has admitted that she has suffered from depression.
The "A Walk To Remember" star says that she has had bouts of depression over the past year but is unsure as to why.
The star told Jane magazine that she has felt "really low, really sad" for no known reason.
She said, "I'm a very positive person, and I've always been glass-half-full. So it was like someone flipped a switch in me."
Moore has allegedly begun dating Nicole Richie's ex-fiance DJ AM, after splitting with actor Zach Braff - who also has admitted to struggling with depression. However, she added that her romantic woes did not add to her problems, but may have aggravated it.
The "Candy" singer is currently going back to her musical roots by recording new songs in New York.
She said, "Writing has been really therapeutic. These little nuggets that have come up over the past eight months have made me look at things in a different way."
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