Chelsea Clinton revealed Tuesday she's expecting her third child with husband Marc Mezvinsky.
The former first daughter tweeted, “Marc and I have loved watching Charlotte be such a wonderful big sister and we’re excited to watch Aidan become a big brother! We cannot wait to meet our newest addition later this summer.”
The couple have a 4-year-old daughter, Charlotte, and a 2-year-old son, Aidan. They married in 2010.