Bikini Series Gorgeous Core Workout

Hey beautiful! Hope you’ve had an amazing week so far 💞You’ve been killing it in the Studio! We’re so proud of your commitment to your workouts ~ you’re consistently showing up, giving it your all, and chasing your dreams! That’s what the BIKINI SERIES is all about!

We LOVE quick core toning workouts because it only takes a few moves to set those abs on🔥And today’s routine is fast and majorly effective! Your abs are an incredibly strong muscle group, so you can do this routine as often as you want! It’s a great addition to any of your Studio Tone It Up routines, perfect for a quick weekend sweat sesh, or you can do it first thing in the morning to ignite your strong core for the day!

I filmed this workout before my pregnancy so for all my TIU mamas to be ~ some of these ab moves may not work for us now! For modifications, check out my first pregnancy vlog here! And my girlfriend Kristina from Studio Tone It Up, who is in her third trimester, will be sharing more modifications here on soon so keep a lookout!!

Keep up the amazing work babe! And since we’re so NUTS about you…we’re sharing the best Coconut Core Smoothie made with coconut Tone It Up Protein to try after your workout! It’ll give you alllll the tropical vibes 🌴 And your plant-based, gluten-free, non-GMO Tone It Up Protein will boost your metabolism to reveal those beautiful abs you sculpted! Enjoy babe! 😋



Get your Bikini Series workouts in your Studio Tone It Up app for iPhone and Android!

You can also watch on YouTube & Apple TV HERE!

Download your printer-friendly version HERE!

tone it up slimming smoothie recipes nutrition plan coconut pineapple healthy

Coconut Core Smoothie


1/2 frozen banana

1/2 cup frozen pineapple

1 scoop coconut Tone It Up Protein

1 cup coconut water

1 Tbsp. unsweetened coconut flakes


1. Blend all of the ingredients until smooth.

2. Pour into a bowl and add your fave toppings! We love adding 1 Tbsp. unsweetened coconut flakes and 1/4 cup fruit!



  1. did the workout yesterday and my Core feels sooo good today! love it! :-D Thank you Kat for the burn, so good!!Lots of Love to you!

  2. Such an efficient and challenging ab routine! I just rocked this one in the studio before heading to work! Thanks, Kat! Feeling so strong and ready to take on anything the day brings my way!

  3. Loved it so much and it was the perfect start to my day. Thank you and love you Kat!!💕

  4. Oh my goodness that smoothie was sooo delicious and refreshing! I used vanilla protein powder and Trader Joe’s has this coconut water with pineapple so I used that and it was absolutely delicious! Will definitely make again 😃

  5. Loved this workout! Just did it today (Friday) after Thursday’s DMs and today’s DMs and workout back to back. I feel amazing! Thank you!

  6. I’m still recovering from having two hip surgeries in the past 8 months… I loved how gentle this was and easy to modify so I could get a good arm and core workout without aggravating the hip area. I’ll be following Kat’s modified maternity workouts because they’ll probably be gentle enough for me. 😅 Thank you!! 🤗

  7. the best smoothie ever! its delicious! 😋amazing workout absolutely I loved it thank you so much for being an amazing trainer💪🏻 and always kicking my butt! love you so much!!😘 where could I find this top? Its so cute!😁

  8. Awesome workout! My friend who never sweats did it with me and she was pouring sweat when we were done. I swear I can feel my abs growing ;)

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