Jennifer Garner and Ben Affleck are expecting their second child, it has been claimed.

The "Catch And Release" actress was reportedly seen leaving a doctor's office sporting a clearly visible baby bump.

A source told New Weekly magazine: "She was very happy and glowing. She touched her stomach for a moment. She looked pregnant."

The couple - who have a 16-month-old daughter Violet - are said to be "thrilled" with the news.

A second source said: "They were hoping to have another baby fairly soon so that Violet would have a sibling to grow up with. She's an affectionate, happy child. Jen thinks she'll love being a big sister."

This week Jennifer, who turned 35 on Tuesday, visited the construction site of the $12.1 million Los Angeles mansion she and Ben, 35, are having built. The brunette was checking on the progress of the project, prompting speculation she is eager for it to be ready in time for the new arrival.

Jennifer recently admitted she was "intoxicated with love" for her daughter and has often said she would like more children.

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