Photos surfaced Monday of Disney star Selena Gomez and teen pop star Justin Bieber kissing, and now the tween universe is in an uproar.

Angry comments from upset Justin Bieber fans have been directed to Gomez via Twitter:

-- @selenagomez If you are the Girlfriend of Justin I will Kill you I HATE YOU :@ !!!
-- @selenagomez whore cancer whore..like i'mm kill myself cuz i saw you and Justin kissing well thankyou Selena thankyou now i'm killing myself
-- @selenagomez stay away from Justin pedophile, retard wait i'm gonna kill ya in the night underneath your smelly bed

Yikes.

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