Backstreet Boys singer Nick Carter and his wife, fitness professional Lauren Kitt, reportedly are expecting their first child.

Us Weekly said that Kitt, 32, is four months pregnant.

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Neither the couple nor its representatives have responded to the report.

Carter, 35 -- currently competing on ABC's "Dancing With the Stars," with professional dancer Sharna Burgess -- became engaged to Kitt in the Florida Keys in February 2013, where he proposed with a seven-carat diamond engagement ring.

The two married in Santa Barbara, California, on April 12, 2014.