▲Gaga made headlines after giving a speech wearing this oversized Marc Jacobs suit to the Elle Women in Hollywood Celebration. She explained that she tried on dress after dress but that "in this suit, I felt the truth of who I am well up in my gut."

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Before there was Lady Gaga, there was RiRi. In 2017, this baggy blazer and pants combination divided opinions, but people are finally starting to warm to it.

▲The actress donned a deep green Erdem suit with wide-legged pants at Variety's Creative Impact Awards.

▲She cut a daring figure at the premiere of 'Rush' in 2013, pairing head-to-toe black with a bright pop of red on her lips.

▲The model glowed brighter than the red carpet at the 2016 Much Music Video Awards.

▲The younger Hadid sister ushered in the spring blossoms at the Dior Homme Menswear spring 2019 show wearing a bright yellow suit.

▲Gigi and Bella Hadid got it from their mama! Yolanda Hadid wore this red hot number at the Oscar de la Renta show during New York Fashion Week in 2018.

▲The actress swapped in shorts and gave the shirtless blazer look a summery feel at the 'Iron Man' premiere.

▲At a LACMA event in 2017, the socialite didn't think her Gucci jacket needed any other support.

▲Kim K makes the shirtless blazer an all-seasons outfit.

▲Kourtney Kardashian stepped out at the CFDA Fashion Awards in a sparkling Christian Siriano suit, which a shirt would honestly just ruin.

▲The star wore a unique long, form-fitting black jacket as a dress at the 2014 film premiere for 'Serena.'

▲The actress looks festive in a green velvet suit with black silk lapels and a plunging neckline.

▲The actress went sleeveless at the ABC Freeform Upfront in 2016, perfectly mixing simple and chic.

▲The legendary supermodel looked predictably amazing in this Alexandre Vauthier suit, toting a large medallion around her neck to top it all off.

▲The young model is also not afraid to mix things up, going sleeveless and pantless in this shiny number in 2015.

▲The 'Modern Family' star has an adorable baby face, but this 2015 look far surpassed adorable.

▲Chopra paired a large, matte black blazer with starry, wide-legged pants for a premiere in 2017.

▲McAdams broke from her usual flowing gowns to wear this hot shade of lipstick from head-to-toe at the 2015 ESPYS.

▲The 'Beauty and the Beast' star is known for her impeccable style choices, and this oversized jacket combined with a pair of floating white trousers is exactly her brand of casual chic.

▲Stewart pitched up in this maroon suit with bleach blonde hair at the premiere for 'Certain Women' in 2016.

▲The model played with fabrics in this look, combining velvet, satin, and leather into one killer outfit.

▲The 'Fifty Shades of Grey' star was red hot at the 2017 Hollywood Film Awards.

▲In what seems like a millennia ago, or at least some style changes ago, the pop star wore a white suit to the AMAs in 2013.

▲The Russian supermodel served up chic and sleek in this shiny black suit.

▲The young actress attended an edition of the Museum of Modern Art Film Benefit in a double-breasted pastel suit.

▲At the 2015 Grammys, the actress went for a basic black suit with a deep V-cut neckline, keeping things cool and classy.

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She's not that Converse-loving, short-skirt-wearing girl anymore, and she has the blazer to prove it.

▲This pastel yellow monochrome outfit looks equally warm as it does cool.

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Moss is actually wearing a jumpsuit that looks like a suit, so we're not sure if that counts as shirtless, but she does look fantastic.

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Australian model and actress Abbey Lee wore this Saint Laurent suit in August 2024.

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In 2024, Lively wore this oversized white suit with floral details by Stella McCartney to the London photo call for her movie 'It Ends With Us.'

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There's nothing more visually intriguing than pairing a traditionally masculine and stiff jacket with the soft and curvy female body. That's why blazers with nothing underneath have become something of a fixture on the red carpet. Its ability to defy rules is sexy, while the jacket gives the look a refined feel.

Check out this gallery to see which celebrities have mastered the shirtless blazer, and try ditching the extra layers yourself!

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Everyone knows Lively is the queen of suits, but she only graces us with a shirtless blazer look once in a while, like this 2011 midnight blue spectacle.