Christina Aguilera Shares Topless Selfie: 'It's All Real'

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Is Christina Aguilera "sweating til her clothes come off?"

The "Dirty" singer posted a topless selfie on Wednesday wearing nothing but pink underwear and a leopard-print fedora.

"Just so you know with me, it's all real, all the time," she captioned the pic. "Felt like it was time to start sharing some personal stuff with you guys... And it's just the beginning. Night night. X."

PICS: Celebs In Their Underwear 

Talk about a tease!

The mother of two definitely has an impressively toned body just one year after welcoming her daughter Summer Rain on Aug. 16, 2014 -- so who can blame her for wanting to flaunt her fabulous figure, right? 

When ET caught up with Aguilera in February, she couldn't help but gush about her little one.

WATCH: Christina Aguilera Shares First Photo of Summer Rain 

"She's precious. She's so adorable, she's really, really good and has big bright blue eyes," she said. "It's like looking into her soul."

Check out the heartwarming video below of her baby