Today in Tweet Beat, it's fun to watch Rainn Wilson pick on Heidi Montag, Richard Belzer's dog is a shower, and Christian Lisa Whelchel's "Plan B day" isn't really what it sounds like.

Rainn Wilson Cyberbullies Heidi MontagS

Rainn Wilson Cyberbullies Heidi MontagS

Rainn Wilson Cyberbullies Heidi MontagS

Rainn Wilson Cyberbullies Heidi MontagS

Rainn Wilson Cyberbullies Heidi MontagS

Rainn Wilson Cyberbullies Heidi MontagS

Rainn Wilson Cyberbullies Heidi MontagS

Rainn Wilson Cyberbullies Heidi MontagS

Rainn Wilson Cyberbullies Heidi MontagS

Rainn Wilson Cyberbullies Heidi MontagS

Rainn Wilson Cyberbullies Heidi MontagS