Double the adorableness!
"There is nothing greater than a mothers love," Kerr wrote as the caption alongside a photo of her gently holding the little fella.
Of course, the sight of mother and son spending some quality time together doesn't come as too much of a surprise, especially after seeing the joyous reunion they had when Kerr returned from Paris Fashion Week.
Next is the Brazilian beauty, who was all smiles as she and 10-month-old Vivian enjoyed a ride on a slide at a park in Boston.
Two days earlier, the pretty pair was spotted stepping out for some lunch and shopping in New York City.
Yep. Both ladies definitely give the term "model mom" new meaning.