Happy Birthday, Justin Bieber! Here's How Other Stars Celebrated Their 21st in Style

The pop star celebrated shirtless. See how he compares to these other stars' celebration outfits

01 of 09

JUSTIN BIEBER

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Courtesy Hailey Baldwin

spent his 21st birthday on a private island, surrounded by friends, ladies he’s rumored to be dating (this is Hailey Baldwin and Yovanna Ventura was there too) and Champagne (his first taste, we assume). He also wore lots of hats and very few shirts.

02 of 09

SELENA GOMEZ

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bruja/Juan Sharma/Pacific Coast News

ex toasted her transition into legal ID-hood in a streamlined look of short shorts and a crop top, which she called really cute and appropriate for my 21st.

03 of 09

ARIANA GRANDE

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Disney/Splash News Online

Popping bottles? Dancing on tables? Not for this former Disney star, who put on a pair of mouse ears and a polka-dot skirt to hang out with Cinderella for her 21st.

04 of 09

ASHLEE SIMPSON

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Arlene Richie/JPI

In heavy eyeliner, a black mini and red patent heels, there’s no part of the at 21 that resembles the boho-chic newly married expectant mom anymore.

05 of 09

MILEY CYRUS

MILEY CYRUS
Courtesy Miley Cyrus

Some stars (and some mere mortals) get all dressed up to hit the clubs for their 21st. Others (like ) strip down to nothing and post about it on Twitter.

06 of 09

LINDSAY LOHAN

LINDSAY LOHAN
Kevin Mazur/Wireimage

Not many among us want to invite our moms to our 21st birthday bash, let alone have matching hair and outfits to her. But that’s why we’re not the .

07 of 09

KEKE PALMER

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Pacific Coast News

It was supposedly a surprise birthday bash, but the star’s “athleisure” look is so cute, we have to assume she had some idea her friends were planning something.

08 of 09

RUMER WILLIS

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Denise Truscello/Wireimage

What, you didn’t spend your 21st at Tao Las Vegas, surrounded by Bruce Willis, Demi Moore and Ashton Kutcher? Elvis didn’t sing “Happy Birthday” to you? Well, you probably wore a sparkly dress, so you’re at least one for three.

09 of 09

ROBERT KARDASHIAN

ROBERT KARDASHIAN
Denise Truscello/Wireimage

Another celeb who got a five-star bash in Las Vegas: the Kardashians’ little bro, who shuns the spotlight now, but then toasted his 21st in a Yankees hat and buttoned-up short-sleeve Oxford.

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