Louis Cheung acts as Kay Tse's personal trainer after given birth?

Louis Cheung (張繼聰), Leila Tong (唐寧), Jack Wu (胡諾言), Heidi Chu (朱凱婷) and Josephine Ng (朱薰) participated in the children charity marathon. Louis expressed his family loved to exercise but his wife, Kay Tse (謝安琪) was currently pregnant and could only go for strolling.

Louis disclosed Kay remained skinny except her tummy was very big but have arranged a set of slimming plan for her after given