![OK Logo](https://okmagazine.com/ok_logo_black_small.png)
Kim Kardashian Celebrates Jennifer Lopez's Birthday By Posting A Photo Of Their Butts
![Pp](https://media.okmagazine.com/brand-img/G2cvIW2gi/480x251/2018/07/pp-22.jpg 480w, https://media.okmagazine.com/brand-img/G2cvIW2gi/640x335/2018/07/pp-22.jpg 640w, https://media.okmagazine.com/brand-img/G2cvIW2gi/768x402/2018/07/pp-22.jpg 768w, https://media.okmagazine.com/brand-img/G2cvIW2gi/1024x536/2018/07/pp-22.jpg 1024w, https://media.okmagazine.com/brand-img/G2cvIW2gi/1280x670/2018/07/pp-22.jpg 1280w, https://media.okmagazine.com/brand-img/G2cvIW2gi/1440x753/2018/07/pp-22.jpg 1440w, https://media.okmagazine.com/brand-img/G2cvIW2gi/1600x837/2018/07/pp-22.jpg 1600w, https://media.okmagazine.com/brand-img/G2cvIW2gi/2160x1130/2018/07/pp-22.jpg 2160w)
Jul. 24 2018, Published 6:37 p.m. ET
Jennifer Lopez officially turned 49 on Tuesday, and her buddy Kim Kardashian wished her a Happy Birthday in the most appropriate way: by sharing a pic of their butts.
J. Lo got her birthday festivities started early with a weekend workout that shows just how she's still in phenomenal shape.
![JLO](https://media.okmagazine.com/brand-img/D1B7HOddQ/480x307/2018/07/JLO.jpg 480w, https://media.okmagazine.com/brand-img/D1B7HOddQ/640x409/2018/07/JLO.jpg 640w, https://media.okmagazine.com/brand-img/D1B7HOddQ/768x490/2018/07/JLO.jpg 768w, https://media.okmagazine.com/brand-img/D1B7HOddQ/1024x653/2018/07/JLO.jpg 1024w, https://media.okmagazine.com/brand-img/D1B7HOddQ/1280x817/2018/07/JLO.jpg 1280w, https://media.okmagazine.com/brand-img/D1B7HOddQ/1440x919/2018/07/JLO.jpg 1440w, https://media.okmagazine.com/brand-img/D1B7HOddQ/1600x1021/2018/07/JLO.jpg 1600w, https://media.okmagazine.com/brand-img/D1B7HOddQ/2160x1378/2018/07/JLO.jpg 2160w)
Her Twitter was lit up on Wednesday, as she retweeted a ton of love from several press outlets, friends and more who all wished her a happy 49th birthday.
![KIM2](https://media.okmagazine.com/brand-img/FGwqGFj73/480x307/2018/07/KIM2-7.jpg 480w, https://media.okmagazine.com/brand-img/FGwqGFj73/640x409/2018/07/KIM2-7.jpg 640w, https://media.okmagazine.com/brand-img/FGwqGFj73/768x490/2018/07/KIM2-7.jpg 768w, https://media.okmagazine.com/brand-img/FGwqGFj73/1024x653/2018/07/KIM2-7.jpg 1024w, https://media.okmagazine.com/brand-img/FGwqGFj73/1280x817/2018/07/KIM2-7.jpg 1280w, https://media.okmagazine.com/brand-img/FGwqGFj73/1440x919/2018/07/KIM2-7.jpg 1440w, https://media.okmagazine.com/brand-img/FGwqGFj73/1600x1021/2018/07/KIM2-7.jpg 1600w, https://media.okmagazine.com/brand-img/FGwqGFj73/2160x1378/2018/07/KIM2-7.jpg 2160w)
Kim, who has been friends with J. Lo for quite some time, decided to do something a little more special for the "I'm Real" singer's big day.
![KIM3](https://media.okmagazine.com/brand-img/NcN1wXrOX/480x307/2018/07/KIM3-5.jpg 480w, https://media.okmagazine.com/brand-img/NcN1wXrOX/640x409/2018/07/KIM3-5.jpg 640w, https://media.okmagazine.com/brand-img/NcN1wXrOX/768x490/2018/07/KIM3-5.jpg 768w, https://media.okmagazine.com/brand-img/NcN1wXrOX/1024x653/2018/07/KIM3-5.jpg 1024w, https://media.okmagazine.com/brand-img/NcN1wXrOX/1280x817/2018/07/KIM3-5.jpg 1280w, https://media.okmagazine.com/brand-img/NcN1wXrOX/1440x919/2018/07/KIM3-5.jpg 1440w, https://media.okmagazine.com/brand-img/NcN1wXrOX/1600x1021/2018/07/KIM3-5.jpg 1600w, https://media.okmagazine.com/brand-img/NcN1wXrOX/2160x1378/2018/07/KIM3-5.jpg 2160w)
She posted a photo that shows Kim and J. Lo from behind, literally, as they are dressed to the nines for a big event while displaying their legendary booties.
![KIM5](https://media.okmagazine.com/brand-img/l69yfsMYF/480x307/2018/07/KIM5-7.jpg 480w, https://media.okmagazine.com/brand-img/l69yfsMYF/640x409/2018/07/KIM5-7.jpg 640w, https://media.okmagazine.com/brand-img/l69yfsMYF/768x490/2018/07/KIM5-7.jpg 768w, https://media.okmagazine.com/brand-img/l69yfsMYF/1024x653/2018/07/KIM5-7.jpg 1024w, https://media.okmagazine.com/brand-img/l69yfsMYF/1280x817/2018/07/KIM5-7.jpg 1280w, https://media.okmagazine.com/brand-img/l69yfsMYF/1440x919/2018/07/KIM5-7.jpg 1440w, https://media.okmagazine.com/brand-img/l69yfsMYF/1600x1021/2018/07/KIM5-7.jpg 1600w, https://media.okmagazine.com/brand-img/l69yfsMYF/2160x1378/2018/07/KIM5-7.jpg 2160w)
The only caption is one word, "J. Lo," and a kiss emoji. Nothing. Else. Needed.
![KIM6](https://media.okmagazine.com/brand-img/uPjds3GcD/480x307/2018/07/KIM6-8.jpg 480w, https://media.okmagazine.com/brand-img/uPjds3GcD/640x409/2018/07/KIM6-8.jpg 640w, https://media.okmagazine.com/brand-img/uPjds3GcD/768x490/2018/07/KIM6-8.jpg 768w, https://media.okmagazine.com/brand-img/uPjds3GcD/1024x653/2018/07/KIM6-8.jpg 1024w, https://media.okmagazine.com/brand-img/uPjds3GcD/1280x817/2018/07/KIM6-8.jpg 1280w, https://media.okmagazine.com/brand-img/uPjds3GcD/1440x919/2018/07/KIM6-8.jpg 1440w, https://media.okmagazine.com/brand-img/uPjds3GcD/1600x1021/2018/07/KIM6-8.jpg 1600w, https://media.okmagazine.com/brand-img/uPjds3GcD/2160x1378/2018/07/KIM6-8.jpg 2160w)
What are your thoughts on Kim and J. Lo's pic? Sound off in the comments!