Gregory Pace / BEImages / Rex USA 1 / 4
Gregory Pace / BEImages / Rex USA 1 / 4

Just ahead of her last "Most Fascinating People" special, Barbara Walters stopped by "Piers Morgan Live," revealing the one major regret of her 84 years.

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"I regret not having more children," said Walters, who has one child, her adopted daughter Jacqueline Danforth. "I would've loved to have had a bigger family."

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In light of Walters' imminent retirement, announced in May, Morgan got the veteran journalist to speculate on what life might be like for her when she's away from the news desk.

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"I hope you'll ask me back even when nobody else does," Walters said with a laugh.

Watch Barbara on CNN's "Piers Morgan Live" here!