Jaimesyn's Ruffled Bottom Romper Sizes NB to 18/24m PDF Pattern

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This adorable fully-lined ruffle bum romper features 4 butt ruffles, flutter sleeves, and a cute back bow! The bodice is a unique seamless design - perfect for showcasing your favorite fabric or embellishment! In true CKC fashion, we make it as easy as possible, we've even taken the guesswork out of crotch snaps with a step-by-step tutorial on how to use them with this pattern! Use all one fabric or use multiple fabrics for that one-of-a-kind, fun, yet girlie, outfit! The sky is the limit now lets see what YOU can do with it!


Difficulty Rating: Intermediate

*Fabric Requirement Chart shown as last image*


Here is what you receive:

  • Measurements for sizes newborn to 18/24m babies.
  • A 28-page instant download pattern with thorough, uncomplicated step-by-step instructions accompanied by color photos that allow you to follow along with ease from start to finish.
  • A  1-Page A0 Copy Shop file (46.8” x 33.1”) and standard printing file (8.5” x 11”) included.
  • A projector file that includes:
    • Bold lines and clear fonts
    • Pieces all facing the direction of stretch or grainline. 
    • Unfolded pieces with optional fold lines
    • A positioning guide
    • Calibration grid and 
    • Layered sizes
  • Computer drawn pattern pieces you can print over and over again; no more patterns that rip or tear! 
If you would like to see an example of our style and try it for free, please download our free sample pattern HERE.
Jaimesyn's Ruffled Bottom Romper Sizes NB to 18/24m PDF Pattern

Product Reviews

Written by Linda Woodward on 27th Jul 2023

Jaimesyn Ruffle Butt Romper, WOW!!

How cute is this romper! I bought it in advance of my second great granddaughter’s birth next month, so I haven’t made it up yet. The pattern prints nicely and the directions look very clear. As soon as I finish all the sleepers, etc that I have for her, this romper is at the top of the list.

Written by Celia Thompson on 2nd Jul 2018

Be prepared for compliments!

Perfect little outfit for any theme! I love that you can mix and match straps and ruffles, truly customizable!!! Every time my little one wears a Jaimesyn we get soooooo many compliments!

Written by Zanna on 1st Jun 2018

Adorable Romper

Such an adorable romper and easy to make.

Written by undefined on 24th Oct 2017


A really easy pattern to follow great price cant wait till the baby arrives to wear them

Written by Van on 1st Jul 2017

butt ruffles!!

I was never a ruffles kind of girl but when I had my daughter, I knew I'd get this pattern one day. It was a pretty easy pattern to put together and the romper turned out amazing!! It will be one of her many 1st birthday photo shoot outfits!!

Written by Stacie Anderson on 3rd Mar 2016


Fabulous pattern and easy to follow!

Written by Lynette on 18th Feb 2016

Summer time fun!!

Great little outfit for summer!! So easy to make - instructions very easy to follow.

Written by Ashley on 1st Jun 2015

first CKC pattern!

Well let me start out by saying I am a beginner, I have sewed burp clothes and changing pad covers and one pillowcase dress, prior to purchasing and starting this adorable romper. I have to say, the pictures and directions were so easy to follow, and it turned out ADORABLE! I am so proud of myself! I can't wait to make more for friends! and to try other patterns for my daughter!

Written by Melinda Tauler on 18th Mar 2015


This is the only CKC pattern I have ever had a hard time making. At one point, I was ready to give up, but I am glad I didn't It is breathtakingly beautiful and made a perfect shower gift for my sister in law. All of the issues I had with it were operator errors and I will be making many, many more.

Written by Shannon Buckbee on 18th Mar 2015

Baby cuteness

Nothing is cuter than a baby with a ruffled bum. Super quick sew and easy to follow instructions.

Written by Milley Beston on 17th Mar 2015

Too adorable!!!!

This is a must have pattern!!! I am made mine with spandex as a swimsuit!

Written by Stephanie Swisher on 30th Jan 2015

Simplicity at its Best

This romper is absolutely darling! Despite the detailed and complicated look, it is a SUPER easy sew and takes no time at all. LOVE this pattern!