She travelled extensively and spent two years Down Under.
With an 18-inch waist and her slim frame always sheathed in a cheongsam, the travelling make-up artist drew crowds as she worked in big department stores like Myer and David Jones in big cities such as Sydney and Melbourne, as well as dispensaries in little Aussie towns in Cairns and Darwin.
'I could sell so much. I'd do make-up demonstrations on stage and I'd speak a bit of Chinese. I guess it was rare to see an Oriental girl in a cheongsam in those days, they couldn't tear their eyes off me,' she says with a hearty chuckle. She could bring home more than A$1,500 a month, not a mean sum in the 1960s.
At 30, she met and married a Swiss business executive and moved to Zurich.
She gave birth to her only daughter, now 37, not long after. But domesticity did not sit well with her.
'I had to do something so I started giving cooking lessons, teaching Swiss ladies how to make curries and other Chinese dishes.'
She and her husband moved back to Hong Kong soon after.
'The moment I landed in Hong Kong, I found an apartment, a maid and I went back to work for Estee Lauder. My daughter was only 18 months old then,' she says.
Soon, Elizabeth Arden - then part of Walton Brown, a subsidiary of Lane Crawford - beckoned with the plum offer of a general manager position.
'It was a steep learning curve,' she admits. 'But I've never been afraid of learning and making mistakes. If there is an opportunity, I will grab it.'
She readily admits to being ambitious.
'I'm a survivor. I had this thing about proving to people that I could do it despite my lack of a formal education.'
'Anyway,' she adds, 'hard work never kills!'
To focus on her career, she sent her daughter to a Swiss boarding school when the girl was eight years old.
Ms Wong's climb up the corporate ladder came at a price. She had problems with her daughter, and her second marriage crumbled too.
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'For a time, my daughter was angry with me, thinking that I cared only about my career. But when she got married, she finally understood. Now our relationship couldn't be better,' says the grandmother of two.
Married for the last 20 years to an American businessman, Ms Wong spent 25 years in the cosmetics business before going into fashion in the 1980s, a move propelled by her search for wide shoes.