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Kate, the Duchess of Cambridge, and husband William, Duke of Cambridge, welcomed their second baby Saturday.

Wednesday marked the couple's fourth wedding anniversary, and there now is a sister for Prince George.

Sarah Ferguson, Duchess of York, smiles at the mention of any of these topics.

She's shared the same questions, royal spotlight and media attention for nearly four decades and marriage and motherhood.

Today, she is most concerned with her own charity projects, while also preparing her daughters for life in the spotlight.

"This is the life they have been given, and it's something they must accept and understand," said The Duchess, dubbed by many as Fergie, and considered by many to be the most accessible and "down-to-earth" member of the Royal Family.

"I want them to realize what having that much attention can mean, both the good and bad."

The Duchess, 55, shared stories about her life's successes, surprises and challenges while in Chicago recently to speak at the International Housewares Show.

She's written eight books, survived the scrutiny of the public and media during and after the breakup of her marriage to Prince Andrew, fought financial setbacks, endured the roller coaster of dieting and weight gain, and lived through the loss of her close friend and confidant Princess Diana — all of this while raising two daughters, Beatrice and Eugenie.

"It's up to each individual person to find their own happiness," Ferguson said.

"My happiest times are spent with my children. When I'm away from them, such as now while I'm here in the U.S., I become quite sad. But with everything I've been through, I've learned to deal with my emotions."

She also has found the media in the U.S. to be far more kind to her than what she experiences at home in London.

"Our press back home can be so mean and cruel, while it's so much more welcoming here in the States."

"It used to be, rather than cry, I would eat. I don't do that anymore. I let myself cry and I'm not afraid to say what I think and feel. I like who I am."

As a royal mother, her responsibilities are great.

Her daughter Princess Beatrice of York, who turns 27 in August, is seventh, and now the second female, in the line of succession to the throne. Younger daughter, Princess Eugenie of York, 25, is eighth, and the third female, in the line to the throne.

So when she is still asked about such things as her daughters' hat fashions at the royal wedding of four years ago, which she did not attend, she is bemused with an eye-roll.

"I told my daughters early on that you have to be strong and not read and believe what is written about you because it becomes dark days when you start believing what others are saying with unkind remarks," she said.

"We are all part of this public stage."

Rather than talking of dating and relationships in her own life, she is happier to divert questions focused about her passions for helping improve the lives of others.

By losing weight and feeling better about her own self-image, The Duchess said her personal motivations and ambitions expanded.

"I had all my favorite 'cheat foods,' such as sausage rolls, egg salad with lots of mayo, and fish and chips with lots of ketchup that I used to try to sneak from my kids' plates," she said.

Her visit to Chicago in March to attend the International Housewares Show was for the purpose of business matters associated with her latest philanthropic cause called Duchess Discoveries, which endorses two products she uses with profits benefiting her favorite charity causes.

She said the key to her recent 55-pound weightloss is an item called the Fusion Xcelerator, which emulsifies healthy natural fruits and vegetables into smoothie drinks. Her favorite is a drinkable mixture of pureed chicken breast with kale.

As an ambassador for the Institute for Global Health Innovation, she has helped become a spokeswoman for finding solutions for what she says is "behavioral change, getting people to rethink how and what they eat."

"In the U.S. child obesity, especially among 2- to 5-year-olds, is slowing and this is a vital figure since this is the age when eating and lifestyle behaviors are learned," she said.

"When I wanted to protect my daughters from the weight problems I had suffered, I taught them the value of healthy living early on. Now, as adults, those healthy habits are automatic. And because I've faced obesity head on, I know how difficult it is to break out. I launched the Duchess Discoveries initiative to highlight exciting new innovations designed to improve our lives, starting with solutions to defeat the global obesity problem. By supporting projects that actively help people control their weight, there is also an even bigger benefit, since we have already pledged hundreds of thousands of dollars to charity to help towards solving this problem."

One benefiting project from her efforts is the Prince Andrew Charitable Trust, which is committed to supporting new technological and scientific research and developments in the digital age to find solutions to global problems.

She doesn't answer questions about having the most famous mother-in-law in the world, The Queen of England, or her current relationship with the Royal Family, except to say: "I honor and respect the Royal Family."

She also prefers to stay away from reliving the events surrounded Princess Diana's death in August 1997.

Ferguson said what she does love is talking one on one with the people who want to hear what she has to say about "living life."

"Once you have an opportunity to meet other people, it makes you realize that other people also have problems and concerns of their own and you're not the only one with worries," she said.

"I believe I get a lot of my own strength from the others I meet and talk with. It makes you feel like you know you can survive anything."

During the course of her public life, Ferguson has become a model of sorts for surviving falling in and out of favor.

She said her separation and divorce were a major factor in her spiral of problems during the 1990s, especially her ample eating and spending habits. She said a part of her reckless spending behavior came from the budgetary practices she acquired while married to Prince Andrew, since at one point, the couple were spending four times their designated annual allowance. After their divorce, she managed to create a debt of more than $5 million, she said.

The media reported that in one year, Ferguson had managed to spend more than $84,500 on psychics, from whom she sought advice. Even the contents of her refrigerator were made public. Author Kitty Kelly, known for her "poison pen tactics" with biographies, shared with the public The Duchess' "kitchen staples," which included caviar, raspberries (in season and out), a variety of expensive imported cheeses and 13 flavors of ice cream.

For more information about charity projects and projects endorsed by the Duchess of York, visit