Demi Lovato, Is That You? [Celebrity Twitterverse]

Peter Facinelli spends some quality time with his girls in Hawaii, Hilary Duff shows off her growing baby boy, Luca, Demi Lovato channels Nirvanna in Seattle, and more.

Take a look at all the great celebrity Twitter pics by launching the gallery!

For the latest celebrity photos, make sure to follow us on Facebook on Twitter and Tumblr.!