Melissa Joan Hart & Britney Spears Reunite 16 Years After Starring In The (You Drive Me) Crazy Music Video Together!

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Who says you can’t mix business with pleasure??

Melissa Joan Hart was in Las Vegas on Wednesday to promote her upcoming boys clothing line, King of Harts, before she decided to have a little fun!

The Melissa and Joey star was in town. Her good friend Britney Spears was in town. So why wouldn’t she swing by for a little visit?!

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When in Vegas, right?!

After finishing up her clothing duties — which officially launches online on March 2 at MAGIC — Melissa headed over to Planet Hollywood to see her old music video co-star’s magical Sin City show!

The 38-year-old shared on Instagram:

Ready to see @britneyspears #workbitch on stage at @PHVegas. #pieceofme #girlsnight #kingofharts

A photo posted by Melissa Joan Hart (@melissajoanhart) on Feb 18, 2015 at 9:18pm PST

She looks like she had a blast with her girlfriends and family in Vegas!

We love nostalgic reunions!

[Image Courtesy of Caesars Entertainment.]

Feb 19, 2015 5:15pm PDT