Britney Spears shows off toned tummy in sexy 'sweats and a t-shirt' Instagram

Britney Spears showed off her toned tummy on Instagram over the weekend!

The "Slumber Party" hitmaker took to social media to share a casual, sexy photo of herself wearing a midriff-baring t-shirt and extremely low-rise blue sweatpants.

SEE ALSO: Erika Jayne responds to being called 'too sexy' on 'Dancing With the Stars'

In fact, not only did Spears flaunt her incredibly fit physique, but she also give a little peek at her intimately-placed tattoos -- including one of a cross -- below her waistline.

"What's better than sweats and a tshirt?" she captioned the shot along with a smiley face emoji.

See the photo in the gallery below:

38 PHOTOS
Britney Spears' sexiest Instagrams of 2017
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Britney Spears' sexiest Instagrams of 2017
πŸ¦‹πŸ¦‹
Great workout this morning! Woke up in Japan feeling free and grateful. Better work bitches!
Getting ready to leave for tour! See you soon Japan πŸ‡―πŸ‡΅
What's your favorite color? πŸ€”πŸ€”πŸ€”πŸ¦‹
❀️
❀️
😜😜😜
Friday night fun... thanks for the little black dress @pninatornai πŸ’–
#tbt πŸŽ€πŸŽ€πŸŽ€
🌸🌺🌸
πŸ’™πŸŒΉ
Great run in Vegas! Be back Next week!
Happy #RDMA Day 🌺🌺
Back at the gym.... stretch and run all the way πŸ’•πŸ‘™πŸ’•πŸ’•πŸŒΊπŸŒΈπŸŽ€
Isn't spring great πŸ˜‰πŸ˜‰πŸ˜‰πŸ˜‰
My special message to the amazing women who were celebrated at #MusicRowMagazine #RisingWomen breakfast today πŸ’œ #girlpower
I love my backyard πŸƒNo sneaky paps here!! πŸ˜‰
Missing the water already... #tbt
🌹
Another great day 🌺🌺
What's better than sweats and a tshirt? 😊
Training keeps me motivated and inspired... but I'd rather be dancing πŸ˜‰πŸ’ƒ
Last show of the week with @samasghari 🏡🏡🏡
Option 1 or option 2? πŸ‘— #ootd
TGIF β˜€οΈ
Just another humble workout post 😜😜😜
Another day, another runway πŸ‘ πŸ‘ πŸ‘ 
Just doing my own runway show 🌺🌺🌺
Staying motivated πŸ’ͺ
Blessed day πŸ’œπŸ’œπŸ’œ
Owning my temple, my body, through yoga πŸ’•πŸŽ‰ but I really need to find one of those cool round mats!!
Thank you again for the beautiful dress @uelcamiloofficial @doraziopr #tbt #pregrammygala
Before hair and makeup πŸ’„πŸ’‹Β #PreGlam #PreGrammyGala #Latergram
Family time β˜€οΈ
🐯🐯🐯 photo by @denisetruscello
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The mother-of-two is also wearing two red sweatbands on either one of her wrists, a black charm-adorned choker and hair extensions in the photo.

Of course, this isn't the first time Spears has dropped jaws with one of her Instagram photos. The star has been sharing more and more sexy pics of herself online as she continues to get in tip-top shape. Among some of her notable posts have been videos of her putting in work in the gym, including one last week of her wearing a crocheted bikini top while exercising.

The post came over the same weekend that reports emerged she would be ending her hugely successful Las Vegas residency, "Piece of Me," in December. The singer will also be touring throughout Europe and Asia over the summer, including a show in Israel that the country pushed back an election to accommodate.

RELATED: See Britney's most naked Instagram posts:

17 PHOTOS
Britney's sexiest Instagrams
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Britney's sexiest Instagrams
Bought three new swimsuits today πŸ‘™ This one is my favorite!
Still dreaming a mile a minute... πŸ’™
Old school #tbt
Gonna get my tan on in the desert in between shots on the #WorkBitch set today. It's HOT out here people!!!! #desert #heatwave #WorkBitchDay2
Mr. Photographer, I think I'm ready for my close-up...
🐯🐯🐯 photo by @denisetruscello
Love boutiques... Just saying 😊
May I introduce to you #Elma for @intimatebritneyspears, the first pieces of many in the SS15 collection. Coming soon!
Last night πŸ’–πŸ’–πŸ’– #PieceOfMe
Good morning! May you all have a blessed day 😊
Miss this and the big city so much! πŸ’› #VMAs
Ooh look who I found... @g_eazy
#SexySunday
New collection #Elvira from @intimatebritneyspears will be on sale next week!
Amazing amazing shoot with @jefflipsky today! Been working hard this summer! So ready to bring it for the next round of #PieceOfMe shows next week πŸ’ͺ
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More from AOL.com:
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Britney Spears' 'Piece of Me' residency ending in december
Bella Hadid accidentally bares it all in lingerie shoot with LOVE magazine

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