Hitting the gym PP

Ellie • Zoe-Jane Belle Grimes born April 7th 10.3lbs 15 in head 21 in long at 1:08 AM!

What are yalls diets and exercises that y’all do to build your legs and butt and get rid of your tummy? I’m finally wanting to get into the gym now that I’ve had her, but I have NO clue where to start or what to do.