It looks like Jill Duggar is using her social networking accounts for a very good cause these days. The 19 Kids & Counting star is encouraging her fans to wear green to help raise awareness for Gastroschisis Awareness Day.

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Duggar added a photo of herself with a message for her fans on her Instagram account on Wednesday. She captioned the pic with, "I'm wearing green today for Gastroschisis Awareness Day in support of little Joshua Isaac Mejia (born 7/14/14)! #supportjoshuamejia #gastroschisis @daniellepeñamejia #jillmdillard"

Meanwhile, it seems as though Duggar might have also let the cat out of the bag on her Instagram account when it comes to her sister's personal life as well. Many fans are speculating that Jessa might have gotten engaged to her long time boyfriend Ben Seewald as she is hiding her left hand in the pic along with her sister referring her to "Jessa Seewald" rather than Jessa Duggar.

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In the Instagram pic, both Duggar girls, with their long brunette hair worn down, are smiling for the camera, which Jill captioned with: "Lunch with my sweet sis @jessaseewald today! #jessaseewald #jillmdillard #sisterlunch."

There have been rumors for quite some time now that Jessa might be engaged already, as she and Seewald recently took an overseas trip missionary together where he might have popped the question. So far, there's been no reports or indication that the couple are engaged even though they've been courting for almost one year now. Both Jessa and Jill have not commented on the photo, either.

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