Move over, booty — boobs are having a moment.
Last year, celebrities couldn't stop Instagramming their best belfies — aka "butt selfies."
This year, however, more and more stars and influencers are shifting the focus to their chest.
But unfortunately, Instagram has strict nudity policies, so celebs have to be careful not to let the nip slip. To avoid going full-nipple, ladies are strategically lifting up their shirts and swimsuits juuuuuust a little bit to reveal their glorious underboobs.
(Take that, sexist social media policies.)
Here are 12 celebrities who shamelessly celebrate the lower half of their busts:
Graham knows the power of a subtle underboob.
Thorne turned her T-shirt into an underboob-worthy crop top.
Winter didn't let slut-shamers stop her from wearing this sternum-showing body-con dress to her graduation party.
Kim Kardashian is basically Queen Underboob.
RIhanna's underboob-revealing top perfectly complements her sternum tattoo.
Lacerda showed a little underboob to announce she was going to be Playboy Brazil's first plus-size cover star.
Jenner is known for posting her fair share of fearless underboob selfies...
.. .but sorry, Kylizzle. Apparently underboob is "Kendall's thing."
(How Regina George of her.)
"YOU. ARE. WORTHY," McGrady reminded her followers in this empowering underboob photo.
Rose celebrates every part of her body — including her underboob.
Lopez, like, invented the underboob.
The ONLY thing better than a shameless underboob? A shameless full boob, à la Minaj.