Britney Spears Is So Excited to Be a Bridesmaid -- See the Video!

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Photo: Getty Images
Britney Spears has got bridesmaid fever!
On Tuesday, the "Toxic" singer shared a new Instagram video of herself very excitedly gearing up for her BFF's Las Vegas wedding this weekend, writing, "My bestie is getting married in Vegas this weekend! Gotta go try on that bridesmaid dress lol!"

"We're about to become bridesmaids! Ah! I'm going to Vegas!" the 34-year-old pop star exclaims in the video, almost as if she hasn't already been all over Sin City with her Planet Hollywood residency show.
Britney followed up the picture by sharing a still of Abigail Breslin's character from Little Miss Sunshine trying on outfits with the caption, "Yup, still fabulous."

Meanwhile, Britney has been all about fitness this year, showing off a lot of skin in her performance outfits at the Billboard Music Awards last month, before stripping down with a bunch of shirtless men for a video shoot earlier in June.
Watch the video below.