Britney Spears supports anti-bullying

Britney Spears is supporting an anti-bullying campaign.

The singer is support President Obama's anti-bullying campaign which starts this week.

She Tweeted 'Stop bullying now. Anti bullying is an issue very close to my heart.

'I am honoured that President Obama & the First Lady asked me to join this campaign.'

Britney also linked to a video of the Obamas during which they ask kids to start treating each other 'with respect.'