Pharrell Williams is offering his Miami penthouse at a mega-discount -- $6 million, to be exact!

The high-pitched hip hop stalwart, currently atop the charts on Robin Thicke's white hot summer jam Blurred Lines, has reduced his asking price from $16.8 million to $10.9 million (for the same pad he initially paid $12.525 million for six years ago).

The 9,000 sq.-foot five bedrooms, six bathroom abode is three stor