Nick Carter Shares First Photo of Newborn Son Odin Reign

The Backstreet Boy posted a photo of little Odin Reign on Instagram.

— -- Nick Carter is on cloud nine thanks to his new (Backstreet) boy.

"I just love how peaceful he is. Daddy will be home soon Odin. #babies #love #family," he wrote as a caption next to a photo of a sleeping Odin.

The two have been married since April 2014.