My son is 10 weeks and laughs. Not all the time, some days more than others but he started around Christmas

3 months :)

3 months

3 months

My daughter has been smiling since she was in the womb, we got a 4d ultrasound and got a video of her doing it! She started laughing around 3-4 months for me.

Like 3-4 months for my boy just depends on the baby :)

my precious gem been smiling since day one. she started laughing out at somewhere between 4-5 months