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01 of 11
To prepare for her February "All I Have" residency in Vegas, J.Lo put a snapshot of her rehearsal outfit on Instagram, showing off an impressively toned stomach—and a healthy dose of underboob.
02 of 11
Lady Gaga took to the Grammy's red carpet this year in an ultra–punk rock ensemble by Alex Ulichny.
Photo by Christopher Polk/Getty Images for NARAS
03 of 11
Rihanna's Fashion Show
A model atRihanna's Fall/Winter '17 Fenty Puma collection shows off a cropped sweater with a taste of underboob.
Photo by Kristy Sparow/Getty Images for Fenty Puma
04 of 11
Kendall Jenner sent this sizzling selfie—starring her in a white crop top—out to her Instagram followers in July.
05 of 11
Kylie Jenner showed off a green crop top in April. She captioned the look, "I'm gonna delete this soon," but as of this writing, the post is still on her page.
06 of 11
Here's Halsey taking the stage by storm in a sparkling crop top during last year's MTV Music Awards. Though she was nominated for Best Cinematography, Editing, and Collaboration, she left the night empty-handed.
Photo by Jewel Samad/AFP/Getty Images
07 of 11
Gigi Hadid rocked a white crop top (not to mention a pair of the world's most distressed denim) in a March Instagram post.
08 of 11
Bella Hadid (L) and her sister, Gigi, backstage at the Tommy Hilfiger show in February, showed off the designer's latest looks—Bella, in a mini skirt, and Gigi, in a crop top.
Photo by Charley Gallay/Getty Images for Tommy Hilfiger
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Kourtney Kardashian surprised her Snapchat followers in April with a shot of her clad in a red bikini.
10 of 11
Kendall Jenner, Again
Jenner took New York by storm a few weeks after her mirror selfie with this white crop top and olive mini skirt combo.
11 of 11
Rihanna showed off her underboob tattoo on the Grammy's red carpet.
Photo by Frazer Harrison/Getty Images
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