Debby Ryan is pregnant, expecting her first child with husband, Twenty One Pilots drummer Josh Dun. Ryan announced the news with a series of photos showing off her baby bump posted in an Instagram slideshow Sunday night. "dun&dun +one," Ryan captioned the post, referring to her married name and her husband's last name. The slideshow also featured a cartoon version of a pregnant Ryan and a smiling Dun surrounded by hearts with the same phrase at the top.

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