Cher performs at VH1’s “Divas Las Vegas” show in 2002.
Getty
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Tony Danza is the boss and the King at a Halloween charity event in 2014.
Everett Collection
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Katy Perry adapts the infamous Las Vegas jumpsuit into a onesie for an “American Idol” appearance in 2009.
Getty
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Annie Lennox (right) delivers an androgynous nod to Elvis in 1984.
AP
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Lady Gaga’s creepy Jo Calderone at the 2011 MTV Video Music Awards had a hint of Elvis inspiration (and had audiences all shook up).
Getty
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Before her Las Vegas residency kicked off in 2013, Britney Spears gave a sexy nod to Elvis on the cover of her “Live From Las Vegas” DVD in 2001.
Amazon
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Bruno Mars got an early start: At 4 years old in 1989, he was named the youngest Elvis impersonator ever.
Instagram.com/brunomars / YouTube
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People reports that Princess Diana called this Catherine Walker number her “Elvis dress” in 1989.
Getty
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Elvis fanatic Nicolas Cage’s role in 1992’s “Honeymoon in Vegas” was pretty much a dream come true.
Everett Collection
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Kevin Costner shows off muttonchops in 2001’s “3000 Miles to Graceland.”
Everett Collection
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Actor David Lago heads to Hilary Duff’s 2005 Halloween party in full Elvis garb.
Getty
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Kurt Russell almost passes for the real thing in “3000 Miles to Graceland” in 2001.
Everett Collection
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Christian Slater got his comeuppance from a vision of Elvis (performed by Val Kilmer) in 1993’s “True Romance” …
Everett Collection
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… then rocked the look himself in “3000 Miles to Graceland” in 2001.
Everett Collection
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The King inspired Queen! Freddie Mercury’s famous 1970s jumpsuits were a nod to Elvis’ Las Vegas look.
Everett Collection
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“Twilight” actor Jackson Rathbone sports the Elvis signature coif while fronting his band, 100 Monkeys, in 2009.
Splash
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Tony Papenfuss impersonates Elvis alongside John Voldstad (left) and William Sanderson on “Newhart” in 1988.
Everett Collection
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Jonathan Rhys-Meyers starred as the titular “Elvis” (alongside Rose McGowan as Ann-Margret) in 2005.
Everett Collection
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In 2007, long before Cole and Dylan Sprouse accidentally posted nudes on Twitter, the twins posed as Elvis in “The Suite Life of Zack and Cody.”
Disney Channel / Everett Collection
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On “Full House,” John Stamos’ rocker Uncle Jesse had an undercover gig as an Elvis impersonator … who’d later meet the real thing. (He thinks.)
ABC / Everett Collection
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David Arquette starred as an Elvis impersonator in “3000 Miles to Graceland” in 2001 — and pays tribute to the King almost every Halloween.
Everett Collection / Splash
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Ron Livingston is almost unrecognizable in costume as the peanut butter-bacon-banana sandwich-loving singer in “The Shangri-La Suite” in March 2014. (See more here.)
Pacific Coast News
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Elvis considered Andy Kaufman’s impersonation of him the best ever. Here, the funnyman spoofs the legend on “Saturday Night Live” in the 1970s.
NBC / Everett Collection
