Jackie Kennedy was unimpressed by Buckingham Palace until Queen Elizabeth's advice changed everything: author

Queen Elizabeth II gave Jackie Kennedy a piece of advice that helped ease any awkwardness between the two iconic women.

The claim was made by Caroline Hallemann, author of "The Kennedys & the Windsors," which explores the two dynasties and how their paths crossed over the years. Hallemann noted that although the two women were hardly kindred spirits when they met, the monarch's words left a lasting mark on the first lady.

"There's a great quote that Queen Elizabeth allegedly said...