This woman is great. https://m.youtube.com/PregnancyandPostpartumTV
I used to enjoy body combat workouts! The PS fit ones are a bit less intimidating than Les Mills - it depends if you are a complete beginner or not!
@olibrooks.fitness has some great, simple and practical ideas to do a workout with the baby
I find Growwithjo very easy to follow, you can check her channel out.