Yeah she's still 27 until March 28 (I was wrong, thought it was April), still a bunch of months until then and clearly her pot smoking is no longer generating any hit songs.
[link to en.wikipedia.org (secure)]

I doubt she sell as much as they'd like, an early death will boost record sales, just look at that Amy Winehouse when she was inducted in 27 Club, all of a sudden sold millions of records.

Same with Whitney Houston (though she didn't join the 27 club) from selling nothing so selling millions yet again.
And she died under very suspicious circumstances.