August 10, 2011 11:00 AM

Amanda Leddy/Splash News Online

Check out that baby bump!

Sarah Drew shows off her progress — she’s 16 weeks along — at Sunday’s Disney/ABC Summer Press Tour, held at the Beverly Hilton in Beverly Hills, Calif.

Due in January, the Grey’s Anatomy star, 30, says her pregnancy will be written around, rather than written in.

“I’m the fourth one in a row to be pregnant, so they know how to do it,” she laughs about following costars Jessica CapshawChyler Leigh and Ellen Pompeo into motherhood while on the series.

RELATED: Sarah Drew Expecting First Child

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