Jennifer Lopez Goes Makeup Free: 'Getting Ready for Show Night'

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J.Lo is keeping it real!

The 47-year-old singer took to Instagram on Friday to share her pre-show routine with fans -- sans makeup!

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"So this is what's it's like before the show. I sit here, no hair, no makeup, no nothing, just trying to get mentally prepared to give you all I have," she said in a video before heading on stage for her residency concert at the AXIS theater at Planet Hollywood in Las Vegas.

"Getting ready for show night... #jlovegas #allihave #letsgetit," Lopez captioned the clip.

The mother of two is in constant work mode. Earlier on Friday, she shared a clip from her NBC dance competition show, World of Dance -- declaring she's "just as obsessed" as ETonline

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See more on the show in the video below.