Politics | Chelsea Clinton and Marc Mezvinsky Chelsea Clinton Pregnant Again She and Marc Mezvinsky are expecting another baby By Evann Gastaldo Posted Dec 21, 2015 3:10 PM CST Copied This photo provided by a Clinton spokesman, shows Chelsea Clinton, her husband Marc Mezvinsky, and their daughter Charlotte Clinton Mezvinsky on Sept. 27, 2014, at Lenox Hill Hospital in New York. (AP Photo/Office of President Clinton, Jon Davidson) Hillary Clinton's potential election to the presidency isn't the only thing the Clinton family has to look forward to next year: "Next summer, Charlotte is going to be a big sister!" Chelsea Clinton tweeted Monday, along with a picture of her daughter reading a copy of Big Sisters Are the Best. "Feeling very blessed & grateful this holiday season." Charlotte, Chelsea's daughter with husband Marc Mezvinsky, turned one year old in September. Read These Next Hall of Famer Dave Parker dies That 'buy now, pay later' loan may soon hit your credit score. Mark Zuckerberg's 'list' has Silicon Valley buzzing. Cops: Arizona 5th graders drew up plot to 'end' a classmate. Report an error