Are you a new mom (or hell, even a second and third time mom!) and want to know how the celebs shed that pesky baby weight once they've given birth?  Wonder no more!  Three celebumoms are sharing their secrets...

...well their trainers are dishing to PEOPLE on how their clients get those sexy post-baby bods.

Jennifer Lopez - Mom to twins, Max and Emme, 5-months old, shed her baby weight fairly quickly, although she's still not happy with the way she looks.  Her trainer Gunnar Peterson tells PEOPLE that his celebrity client does 35-minute runs with swimming and 50-minute bike rides - sometimes six days a week!

Melanie Brown - Her trainer Joey Kormier worked with Mel twice a week while she was preparing for her stint on Dancing with the Stars.  They did twice-daily cardio sessions to get her in tip top dancing shape.  Now Scary Spice, mom of two daughters, does daily, 60-minute video workouts.

Jaime Presley - The My Name is Earl star's trainer, Mike Jones works daily with the sexy mom of one.  He says, "keeping her butt firm is definitely a focus!"  Jaime trains for 2 hours daily.

Hmm, so not so much secrets as a lot of hard work - damn, thought there was an easy fix!

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