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Eyebrows done, nails done, everything did!

Demi Lovato just showed off her new (not sure if improved) eyebrows last week on "The X Factor" … and now she’s added some nail art to her latest look.

On Friday, the singer tweeted “Loving my nails from last night’s show … gonna keep them for the weekend!”

We’re loving the 3D look too – and diamonds are a girl’s best friend!

toofab sat down with Katie Cazorla celebrity nail stylist to the stars -- whose clientele includes Snooki, Jwoww, Hilary Duff and Vanessa Hudgens – and she showed us some cool DIY tips for sparkly and 3 dimensional nails!

Check out the videos below to see how you can get Demi’s look and click "Launch Gallery" above to see more celebs' magnificent manicures!



Next up, a bolder look you can personalize, featuring this season's hottest shade: neon!



And finally, see how professionals do the 3D tip, seen on Effie Trinket (Elizabeth Banks) in "The Hunger Games" and pop stars like Katy Perry and Nicki Minaj.