Chelsea Clinton is getting ready for Baby No. 2!

The pregnant 35-year-old debuted her baby bump while attending presidential campaign events for her mother, Hilary Clinton, earlier this week — and the former first daughter looked positively glowing!

chelsea clinton getty images

Chelsea on Jan. 30.

Chelsea and her husband, Marc Mezvinsky, 38, previously announced they are expecting their second child in December 2015. The couple — who married in July 2010 — are already parents to a 16-month-old daughter, Charlotte, who was born in September 2014.

RELATED: Chelsea Clinton Says Daughter Charlotte Doesn't Realize She's Getting a New Sibling

"Next summer, Charlotte is going to be a big sister!" Chelsea captioned an adorable snapshot of their little girl reading a book on becoming a big sibling in their Baby No. 2 announcement. "Feeling very blessed and grateful this holiday season."

Click through the gallery below to see more photos of Chelsea’s baby bump!