December 21, 2015 Holiday Surprise! Chelsea Clinton Is Going to Be a Mom Again Chelsea Clinton has just announced that she's expecting her second child with husband Marc Mezvinsky! Clinton took to Twitter to share the news, tweeting, "Next summer, Charlotte is going to be a big sister! Feeling very blessed & grateful this holiday season.” Along with the baby news, Clinton posted a pic of her 15-month-old daughter Charlotte reading “Big Sisters Are the Best.” Check out the adorable photo! Next summer, Charlotte is going to be a big sister! Feeling very blessed & grateful this holiday season. pic.twitter.com/gpCGqcmeCq @ChelseaClinton Earlier this summer, Chelsea gushed to “Extra's" Terri Seymour at Universal Studios Hollywood about Charlotte's love of reading. Watch! #BabyNews #CelebrityNews #ChelseaClinton #TrendingStories More Chelsea Clinton on Motherhood: "What Did We Do Before We Were Parents?" Chelsea Clinton Visits 'Extra' to Remind Kids 'It's Your World'