The singer welcomed her first child with husband Mike Fisher.
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We think the Dark Knight should be cast in the sequel.
The country star gets a permanent reminder of her time on the road.
The singer, who "came out" last year, hopes to be the first man in country to sing a love song to another man.
The casting news comes just days after reports he pulled out of plans to appear in the sequels to "Fifty Shades of Grey."