. >> oh, proud mama mindy kaling taking a summer dip and showing off that watermelon floatie. aughter katherine back in december. she's one of the many star moms also making time for fitness. and i was with the hollywood trainer who is hpi it. you trained pink, alicia keys, mindy kaling, what's the one thing that a new mom needs to know when they're getting back in the gym? >> i tell women, it takes about a year before you actually feel like yourself again. money doesn't make any difference. you got to put the same sweat equity to get them results, baby. >> is that what you told pink? >> she shows up to work, there's something about when you tell pink high knees she just starts smiling. >> if you are a little more green than pink in the gym, jeanette suggests gradually increasing the intensity. >> anyone can do this is just alternating knees up. once you get used to exercising knees so you pump those knees up and you pump your arms. >> oh. ♪ this girl is on fire >> and how does a mom of two, alicia, get her knockout curves? kickboxing, of course. >> we're just going to lift the