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ET has the latest...Jon Gosselin explains who the two ladies are that he's recently been seen with.

"The two women with whom I've been photographed are family friends -- Lauren Glassman and Lauren's daughter, Hailey," he tells People magazine. "Lauren's husband, Dr. Larry Glassman, performed Kate's tummy tuck surgery, and since the surgery we've become friendly with the Glassmans."

Jon reportedly spent Memorial Day with the women and then, just this past weekend, he was photographed shopping with them at a mall in New Jersey.

Meanwhile, Kate spent the weekend with her kids and bodyguard in North Carolina.