I'm posting this in this thread because she could possibly join this group next week.
Fastest-selling albums in the U.S.
01. (4/8/2000) No Strings Attached - 'N Sync 2,415,859
02. (8/11/2001) Celebrity - 'N Sync 1,879,955
03. (6/10/2000) The Marshall Mathers LP - Eminem 1,760,049
04. (12/9/2000) Black & Blue - Backstreet Boys 1,591,191
05. (6/15/2002) The Eminem Show - Eminem 1,321,799
06. (6/3/2000) Oops!... I Did It Again - Britney Spears 1,319,193
07. (1/6/2001) 1 - The Beatles 1,258,667
08. (3/19/2005) The Massacre - 50 Cent 1,140,638
09. (6/5/1999) Millennium - Backstreet Boys 1,133,505
10. (4/10/2004) Confessions - Usher 1,096,213
11. (12/5/1998) Double Live - Garth Brooks 1,085,373
12. (1/9/1993) The Bodyguard Soundtrack 1,061,000
13. (11/4/2000) Chocolate Starfish - Limp Bizkit 1,054,511
14. (11/13/2010) Speak Now - Taylor Swift 1,046,718
15. (2/28/2004) Feels Like Home - Norah Jones 1,022,149
16. (6/28/2008) The Carter III - Lil' Wayne 1,005,545
I tried to find how much they had sold in their first day but I could only get Britney's and 'N Sync's numbers.

Not even Taylor's.
Fastest-selling albums in the U.S. by a female artist
01. Britney Spears - Oops!... I Did It Again: 1,319,000
02. Norah Jones - Feels Like Home: 1,027,000
03. Taylor Swift - Speak Now: 1,047,000
04. Shania Twain - Up!: 874,000
05. Britney Spears - Britney: 746,000
06. Alicia Keys - As I Am: 742,000
07. Mary J Blige - The Breakthrough: 727,000
08. Susan Boyle - I Dreamed a Dream: 701,000
09. Mary J Blige - Growing Pains: 629,000
10. Alicia Keys - The Diary of Alicia Keys: 618,000
11. Britney Spears- In The Zone: 609,000
12. Janet Jackson - All For You: 605,000
13. Taylor Swift - Fearless: 592,000
14. Celine Dion - A New Day Has Come: 558,000
15. Shania Twain - Greatest Hits: 553,000
16. Beyonce - B'Day: 541,000
17. Carrie Underwood - Carnival Ride: 527,000
18. Britney Spears- Circus: 505,000
19. Ashanti - Ashanti: 502,000
20. Beyonce - I Am… Sasha Fierce: 482,000
Honestly, I think she can do it!

I know HDD predicted 450-750k, but they also predicted 700k for Taylor before the album had even been released too. Plus, Taylor also released her album on Monday too. Good luck, Stefani!
