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Demi Lovato Has Some Choice Words For The Paparazzi

'If you're respectful to me, I'll be respectful back,' she writes.

Demi Lovato had some sensible tweets for the paparazzi on Monday night, elaborating on the age-old Golden Rule. Basically, be nice to me, and I'll be nice to you.

The singer, who just released a teaser for her "Really Don't Care" video (out Thursday), apologized to her fans for not being able to greet them.

After dishing out some wisdom on "staying strong," she retweeted a supportive fan, who tugged on heartstrings with a childhood photo of Demi.