Did you think Justin Bieber giving the paparazzi the finger was inappropriate?? Well, he thinks so.

Justin Bieber Selena Gomez

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The teen superstar has apologized for the incident in a Twitter post to his fans. Justin tweeted,

"had a great bday and at the end of the night we got surrounded by paps and i reacted in a way i know better. im sorry #killthemwithkindness

it's not always easy but i know better than to react in anger."

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It's easy to understand the frustration and anger that can arise from being followed 24/7 by cameras, but that's the price you pay for fame.

What do you think of Justin's reaction to being hounded by paparazzi?