What female artist has the top selling album of all time?

Best selling album by a solo female artist: The Bodyguard (Whitney Houston)

Best Selling French Album of all time: D'eux (Celine Dion)

Best Selling Female Album Artist: Barbra Streisand (based on RIAA shipments)

Best Selling Female Album Artist: Mariah Carey (49,937,000)(based on retail sales of Soundscan Era)