Rihanna 'flirts' with Bieber on Twitter

Rihanna's been tweeting a cheeky message about Justin Bieber's six pack.

The pair met in a New York restaurant and Rihanna later revealed in a tweet, "'Justin Bieber just flashed me his abs in the middle of a restaurant! Wow! He actually had a lil 6 pack! Sexy.'"

However she did add the hashtag, "#Beliebersplzdontkillme." Justin replied and assured the star his fans would be no threat to her, "@rihanna never that. Its always love"

He then posted a picture of them of them in the restaurant.

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