The couple’s family visited Italy and England during their holiday, HK01 news site reported.
Their family took pictures at the Leaning Tower of Pisa, a famous icon of Italy.
It is one of the most remarkable architectural structures from medieval Europe.
Located in the Italian town of Pisa, one of the most visited European cities, the tower stands at 60 meters and until 1990 was leaning at about a 10-degree angle.
Kwok poses for photos on a bridge in Venice.
“Venice, a pretty city with stunning scenery, polite people everywhere, and a romantic atmosphere on the gondola with my beloved ones,” Kwok wrote on her Instagram with over 100,000 followers.
She and her daughter enjoy a gondola ride to admire the beauty of the Grand Canal, a symbol of the tourist city.
The canal is the largest and most famous in Venice. It is nearly four kilometers long and separates one half of the city from the other.
A gondola ride is a bucket-list experience for most visitors to explore the beauty of Venice.
The family enjoys dinner at a restaurant in Rome.
"Truffle scallop is so delicious and fresh tomatoes are so sweet," Kwok wrote.
The family visited Westminster Abbey, Tower Bridge, Big Ben, and London Bridge during their trip to England.
The couple started dating after playing a couple in the 1995 TVB serial Down Memory Lane, and married in 2004. They have one daughter.
Kwok played a journalist in TVB series Detective Investigation Files (1995 to 1997), while Lam rose to prominence after acting in the TVB serial The Challenge Of Life (1990).