Doutzen, 27, wore the tiniest of string bikinis as she played on the sand with her husband and their young son.
What's her Secret? Doutzen Kroes shows off her incredibly svelte figure in a tiny bikini on the beach in Miami
Doutzen casually twisted her hair up into a top-knot bun - a far cry from the luxurious long blonde mane she has sported in many a L'Oreal commercial.
Miss Kroes is the fourteenth highest-earning model in the world, thanks to her lucrative contracts with Victoria's Secret, L'Oreal, Calvin Klein and more.
Athletic: The 27-year-old enjoyed an energetic day on the sand with husband DJ Sunnery James and their son Phyllon Joy Gorre
The day before, she and husband Sunnery James looked very love-up as they walked home with their adorable little boy.
Doutzen nestled into her husband, who carried one-year-old Phyllon.
Family holiday: The Victoria's Secret model's husband carried their gorgeous little boy home
The trio looked like the perfect family unit, and it was clear they were extremely happy to be in each others company.
Now that two of her fellow Victoria's Secret models are with child, Doutzen Kroes is definitely at liberty to dispense advice on how to get their bodies back to fighting form post-pregnancy.
It's impossible to tell that just over a year ago she gave birth to her first-born.
Family unit: The day before, the trio were pictured looking blissful as they returned from another day at the beach
Kiss for mummy: The model affectionately planted a kiss on her only child
In
an interview last year, the blonde bombshell revealed she maintains her
stunning figure through a combination of diet and exercise.
'I take really good care of my body,' she said. 'I try to sleep as much as I can, and I go to the gym a lot because my body enjoys a good work out.
'I keep my skin hydrated, and I avoid eating too many sweets or too much chocolate. In any job, you have to give up certain things, and I believe that having a good quality of life means enjoying certain things only in moderation.
'I love my job, and so I could never complain about making these sacrifices.'
And she clearly enjoys her jet set life as one of the world's top models.
'It gives me the chance to travel to some amazing places,' she said. 'I really value the fact that we are able to represent different kinds of women from all over the world.'
Earlier in the week Doutzen turned even more heads on the beach when she stepped out in an eye-catching hot pink bikini.'I take really good care of my body,' she said. 'I try to sleep as much as I can, and I go to the gym a lot because my body enjoys a good work out.
'I keep my skin hydrated, and I avoid eating too many sweets or too much chocolate. In any job, you have to give up certain things, and I believe that having a good quality of life means enjoying certain things only in moderation.
Hot topic: Doutzen turned even more heads on the beach when she stepped out in an eye-catching hot pink bikini
And she clearly enjoys her jet set life as one of the world's top models.
'It gives me the chance to travel to some amazing places,' she said. 'I really value the fact that we are able to represent different kinds of women from all over the world.'
Fabulous figure: The Dutch model flaunted her figure in a pink bikini
The good life: Phyllon Joy has it easy as his supermodel mother totes him around the beach
Water play: Kroes took her son for a little dip in the ocean
