Watch Britney Spears Put A Dog Lead On A Backstreet Boy Whilst Performing In Las Vegas

She took Howie D for walkies at her Piece of Me show

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Britney Spears' Vegas show looks so good it hurts - she's back performing at full-throttle for her show Britney: Piece of Me.

In 2013, everyone from Selena Gomez, Katy Perry, Sia and Miley Cyrus went down to the city of sin to check out the Princess of Pop's comeback.

And in the years since, people just can't keep away.

Beyoncé and Jay-Z apparently had a date night to see Spears back in 2015.

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And Bey couldn't help but boogie to 'Oops I did it again', because even Beyoncé needs to get her 90s on.

In fact, according to this very useful Twitter post, a LOT of celebs can't resist.

Yes, it looks like both Miley and Chloe Grace Moretz have been four times.

Excessive? Perhaps.

Would we also go four times? Definitely.

Joining the legions of fans coming to praise at Brit's feet over the weekend, was another 90s stalwart. Howie D from Backstreet Boys - who took in the Britters show while the Backstreet Boys were in town for the Academy of Country Music Awards, in April 2017.

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Uploaded on to the Backstreet Boys' own Facebook wall, you can see Britney (who looks flippin' amazing) go all dominatrix on the 'I want it that way' singer.

If this is an impromptu invite up to the stage then we are mighty impressed how he crawls around in such a choreographed manner. Having said that, we can't be surprised at his ability, he is from one of the most choreographed boybands of all time.

The Backstreet Boys are also having something of a revival, and they performed at the American Country Music Awards last night.

Though it's clear his cameo at Britney's show was Howie's real highlight of the weekend.

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