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She's due to give birth to her second child any day now!

On Thursday afternoon Jessica Simpson and fiance Eric Johnson were snapped at a medical center in Beverly Hills, and the pregnant star is squeezing in her final pre-natal checkups. Jess hasn't confirmed an official arrival date for the couple's son, but various sites report that it will be later this month.

So what's next on the calendar for Jess? Us Weekly is reporting that the couple will tie the later this summer. Jess and Eric originally planned to get hitched this spring before the birth of their son, but they decided to reschedule when she got knocked up the second time.