Getting her teeth into the role ... Rihanna turns into sex-mad vampire in single You Da One

AT least Rihanna can have a decent rabbit, rabbit, yap, yap with Chas & Dave now.

The singer has been poring over a book on Cockney rhyming slang.

Her poor roadies have been subjected to her trying to perfect the dickie birds on the tour bus.

A source said: "Rihanna was given the book when she was last over and can't get enough of it.

"She's been reading phrases aloud in her best Cockney accent and finding it hilarious.      Full Read