Can you believe it's been 13 years since Britney Spears performed her famous "Oops! ... I Did It Again" striptease during the 2000 MTV Video Music Awards?
The 32-year-old singer recreated part of that memorable performance during the second night of her new Las Vegas residency over the weekend, donning an outfit VERY similar to the one she wore back in 2000.
While Brit Brit kept her stomach covered in a nude bodysuit during Friday night's show, she wore a more revealing variation of the costume on Saturday -- showing off her stomach in a glittery nude crop top and matching tights.
With her fake hair and headset microphone, she showed that the only thing missing was her belly ring.
Spears will perform her "Piece of Me" show at Planet Hollywood for the next two years, doing about 50 shows a year.
Check out some footage from the opening night below! Plus, read our full review of the show here -- and click here to learn 10 secrets from behind the scenes.