Kanye West to propose to Kim Kardashian?

London: Rapper Kanye West is reportedly planning to propose to girlfriend Kim Kardashian with a huge engagement ring.

The couple have been friends for a long time and announced that they were dating in April this year.

"Kanye`s saying the ring will `blow her away`, and it will `out-bling all the other bling`. He says it will make her old engagement rings look like kids` toys," a source said.

Kardashian was previously married twice. Her last marriage to Basketball player Kris Humphries lasted for only 72 days.