Though her Instagram feed usually hovers in the PG-13 safety zone, Christina Aguilera shared a risqué selfie yesterday in which she's posing topless before her bathroom mirror, wearing nothing but bright pink panties (and, inexplicably, a leopard print fedora). Her arms are carefully positioned to cover her nips. Whatever her reasons for posting the photo, Christina's body looks amazing! Check out how she's whipped her figure into shape in this gallery! 

Read more ¿Qué más? 'The Voice': Christina Aguilera & Adam Levine make show history with final steals! (VIDEOS)

Image via Agencia Mexico

Topless Instagram Pic 1

Topless Instagram Pic

On August 12, 2015, the Christina Aguilera shared this topless photo on Instagram, with the caption, "Just so you know with me, it's all real, all the time." She looks great but how exactly does this illustrate her "realness"? Because we now know she's not wearing Spanx all the time? Who knows!

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The Voice Season 8 Finale 2

The Voice Season 8 Finale

After returning to her red throne, er, chair on The Voice in February 2012, Xtina wasted no time showing why she was simply irreplaceable. In the process, she donned some stunning looks like this glittery, long-sleeved, form-fitting, turtleneck dress, which she paired with a high ponytail and chic hoops.

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Vanity Fair Oscars 2015 Party 3

Vanity Fair Oscars 2015 Party

Only six months after giving birth to her daughter Summer Rain, Aguilera looked svelte and sexy in a floor-length, fitted white gown with a crackled pattern at the Vanity Fair Oscars party.

The Voice Season 5 4

The Voice Season 5

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...And this leg-baring leotard during her own performances!

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The Voice Season 5 5

The Voice Season 5

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Since the premiere of The Voice back in September, Christina has looked better than ever, rocking fitted dresses like this black, cleavage-baring number during the contesant's performances.

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The Voice Upfronts 6

The Voice Upfronts

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Her transformation reached its pinnacle at the NBC's upfronts where she showed off her incredible weight loss in this pink summer dress. 

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Billboard Music Awards 2013 7

Billboard Music Awards 2013

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At the Billboard Music Awards in May 2013, she looked even slimmer than she had one month earlier!

Time 100 Gala 8

Time 100 Gala

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Aguilera stunned at the Time 100 Gala in April 2013, looking like the epitome of old Hollywood glamour, wearing red lips, a long, fitted black gown, and platinum curls pulled to the side.

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Nickelodeon's 26th Annual Kids' Choice Awards 9

Nickelodeon's 26th Annual Kids' Choice Awards

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Aguilera once again showed off her fitter physique while taking the stage at the Nickelodeon's 26th Annual Kids' Choice Awards, also in March 2013.

The Voice Season 4 Premiere 10

The Voice Season 4 Premiere

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Though she was on hiatus from the show at the time, Aguilera attended the NBC premiere of The Voice Season 4 in March 2013, showing a newly slimmed down figure in a flirty black dress.

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People's Choice Awards 2013 11

People's Choice Awards 2013

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Aguilera accepted an award at the People's Choice Awards in January 2013, looking put-together in a white tuxedo jacket and black pants.

AMAs Performance 12

AMAs Performance

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During the 2012 American Music Awards, Aguilera took to the stage in a sparkly star-spangled leotard to sing a song from her CD, Lotus.

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40th American Music Awards Red Carpet 13

40th American Music Awards Red Carpet

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At the American Music Awards show in November 2012, Aguilera wore an ombré gown that accentuated her curvaceous figure, pairing the long dress with a sleek, straight bob and smoky eye makeup.

American Music Award Nominations 14

American Music Award Nominations

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At a press conference for the 40th American Musican Award nominations in October of 2012, Aguilera donned a tight purple dress, which matched her purple and pink dip-dyed hair.