Day 23: Rainbow Butt! | 100 Glute Challenge w/ Meredith Foster

By | Health & Fitness

#100glutechallenge printable:

Since Taylor Swift did the 100 Ab Challenge, I had to invite my biggest Swiftie friend, Meredith Foster to do the 100 Glute Challenge!

Our Day 23 move is one of the hardest… rainbow butt!! Feel free to do the modification at any time if you get tired.

Subscribe to Meredith's channel:
Follow her on IG!

Workout starts at 2:53!

Here is where I get all of my music! Epidemic Sound:

My outfit & yoga mat are from:


Cassey Ho is an award-winning fitness instructor, entrepreneur and online personality. As the creator behind Blogilates, the #1 female fitness channel on YouTube, she’s transformed millions of lives through helping them achieve their strength and weight-loss goals. She focuses on making fitness fun and the results are evident. Cassey's unique format, POP Pilates©, which launched as a workout video on YouTube in 2009, has become a live fitness class that can be taken at gyms all over the world with over 3,000 POP Pilates classes being taught monthly. Her authenticity continues to shine through, making her one of the most relatable fitness icons online and beyond. She's also the author of the best-selling book, Hot Body Year Round and is the designer of her own activewear line, POPFLEX.

With a wide range of free workout videos available, Cassey's channel focuses on ab exercises, butt & thigh exercises, arm exercises, pilates, cardio routines, fat burning workouts, high intensity interval training workouts (HIIT), stretching and flexibility routines and so much more!


Blogilates and oGorgeous Inc. strongly recommend that you consult with your physician before beginning any exercise program.

You should be in good physical condition and be able to participate in the exercise.

You should understand that when participating in any exercise or exercise program, there is the possibility of physical injury. If you engage in this exercise or exercise program, you agree that you do so at your own risk, are voluntarily participating in these activities, assume all risk of injury to yourself, and agree to release and discharge Blogilates and oGorgeous Inc. from any and all claims or causes of action, known or unknown, arising out of Blogilates' and oGorgeous Inc.'s negligence.

About the Author

  • zkih says:

    I look forward to these butt videos every day 💖 Gonna miss them when they end

  • Missaah :3 says:

    So I counted back and forth as 1 rep. So this morning I actually did double of what you did just now🤣😭🍑 rip

  • Sarah Rybak says:

    I love how you’re gushing over Taylor Swift, it’s so relatable😂💖

  • Mónika Mándics says:

    let’s go guys, it is super fun workout, it is almost day 23 !!! & I have good results on my body too.

  • Tim.Heidi Berg says:

    So hard!!! The knees and sets definitely helped. I’d rate a 7.

  • 랑랑 says:

    Before doing this : Ok! I can get through this~!!!😁 Burn it down!!!
    Few minutes later : …..RIP myself🙀

  • lisaboronney says:

    Oops! I did it before the video was uploaded and I realized I had done twice as many moves as necessary 😅 I counted a back and forth movement as one 😬 Oh my steel booty 🍑💪🏻 Yeah!

  • Meral Ali says:

    Had to do it on my knees cos my wrists are weak. Even so, I died.

  • Hatsuka85 says:

    This was actually hard for me cause my shoulders are not that strong, but i rate this with a 7 🤔 Also i had to take a break at 50 on each side but i did it!!! 🍑 we got this girls!!!

  • maria lenn says:

    Did anyone else’s face got red immediately when doing this? 😅

  • Petr Zvonek says:

    I would be amazing if you’d do video with Doctor Mike😊

  • Nia Taylor says:

    Done! I feel like I’m getting stronger. And that, I love! 😁❤

  • Aastha H says:

    I’m low-key jealous of you guys meeting Taylor. It’s my dream to meet Taylor one day 😍😭😭

  • Jada Niclole says:

    It hurt yea 8ut my back messed up so I did wrong still did best on sets 20 strong

  • Kianna says:

    Yeah I’m still alive very proud of myself im just joining in even though I said I was gonna start from day one. My glutes frel amazing thank you ladies #100glutechallenge sweating bullets!!!! 😭 7/10 pain

  • Pearls CasperDIY says:

    can i do this move on my elbows ? cuz ive got a wrist injury but i really want to still keep going with the challenge

  • Priety Sanjay says:

    I was doing modified version the entire time because I knew I wasn’t ready for the advanced yet. Eventually I will get there

  • Kristin D says:

    Did this with ankle weights and no breaks. My hamstrings are vibrating! Lol 🍑🔥💗

  • lactosefreeicecream ummm says:

    This is so painful! My legs are so sore from working out yesterday too! It was my leg day yesterday so doing this was super duper intense! But it’s DAY 23! I’ve been following this from Day 1 and it’s been one HECK OF A RIDE!

  • Amanda Grant says:

    Pretty sure the grim reaper was waiting on the sidelines for my glute and hamstrings to die….rest in peace lower body!

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