Chelsea Clinton Announces Baby No. 2 News on Twitter

Chelsea Clinton took to Twitter this week to announce the joyful news that she and husband Marc Mezvinsky are expecting baby number two. The couple are the parents of 15-month-old daughter Charlotte.

The 35-year-old currently serves as the vice chair of the Clinton Foundation. She is also lending a hand in mom Hillary's Presidential campaign, making appearances at stops around the country.

Check out the tweet below as well as congratulatory posts from the excited grandparents Bill and Hill!

Photo: Twitter/Chelsea Clinton