Paris Hilton put a new spin on her iconic chainmail 21st birthday dress more than two decades later, and didn't appear to have aged a day.

Paris Hilton celebrates her 21st Birthday Party at the Stork Rooms in Swallow Street on May 3, 2002 in London. ... A split of the front and back of Paris Hilton's 21st birthday dress.

Paris Hilton wore an updated version of the iconic silver chainmail dress from her 21st birthday party to perform "Stars Are Blind" with Miley Cyrus on New Year's Eve.

Paris Hilton rocked a plunging silver dress that channeled her 21st birthday outfit at an event in LA on Feb. 23. ... Paris channeled her 21st birthday dress that she first wore back in 2002.

Paris Hilton wore a version of her iconic chainmail 21st birthday dress as she performed "Stars Are Blind" alongside Miley Cyrus and Sia on New Year's Eve.

Paris Hilton leaned into the nostalgia factor last night, recreating one of her most famous outfits of all time—the silver chainmail dress she wore for her 21st birthday—for her and Klarna's ...

This isn't the first time that Hilton has paid homage to her 21st-birthday outfit. Performing with Miley Cyrus and Sia during a New Year's Eve party, the socialite wore a blush version of the ...

Hilton partied like it was 2002 as she rang in the new year in a pink chainmail dress alongside Miley Cyrus and Sia.

Hilton, 43, revealed what she thinks London, 11 months, should wear when she eventually celebrates her 21st birthday. The socialite shares London and son Phoenix, 21 months, with her husband ...

Hilton, 43, revealed what she thinks London, 11 months, should wear when she eventually celebrates her 21st birthday. The socialite shares London and son Phoenix, 21 months, with her husband ...

Paris Hilton at her 21st birthday party on May 6, 2002. Dave Benett / Contributor / Getty Images Hilton's 21st birthday look has become a pop culture touchstone.

If you know, you know: The year was 2002, and Paris Hilton turned 21 in a dazzling, barely-there Julien Macdonald mini dress, complete with a sparkling choker necklace. The dress's Y2k, of-the ...