Ashlee Simpson out and about in Manhattan after her honeymoon in the Caribbean. New York City, USA - 23.05.08

Just days after unveiling the worst kept secret in showbiz, that she is expecting her and new husband Pete Wentz' first child, the singer has pulled the plug on the tour.

Her publicist reveals, "After careful consideration, Ashlee Simpson has decided to postpone her summer tour. She is committed to giving her fans the best show possible, and will be back better than ever and ready to rock in the future."

Source: WENN