Original sentence: Britney Spears has won the most awards ever (also most for a female, musician and indiviual) - 15 (19 if she wins all of her 2009 nominations and receives the Ultimate Choice Award)
Edited sentence: Britney Spears has won the most awards ever (also most for a female, musician and indiviual) - 15   (19 if she wins all of her 2009 nominations and receives the Ultimate Choice Award)