First 10 by week :
Week 3
Louisa Lytton, Jay McGuinness, Frankie Bridge
Week 4
Kelly Brook, Harry Judd
Week 5
Natasha Kaplinsky, Ricky Whittle, Kara Tointon, Scott Maslen, Jason Donovan
Week 6
Zoe Ball, John Barnes, Ali Bastian, Natalie Gumede, (Frankie Bridge)
Week 7
Jill Halfpenny, Matt Dawson, Alesha Dixon, Austin Healey, Chelsee Healey, Denise van Outen, Patrick Robinson, Pixie Lott
Week 8
Denise Lewis, Colin Jackson, Matt Di Angelo, Matt Baker, Pamela Stephenson, Abbey Clancy, Susanna Reid, Simon Webbe, Caroline Flack
Week 9
Emma Bunton, Gethin Jones, Rachel Stevens, Louis Smith, Jake Wood
Week 10
Darren Gough, Holly Valance, Dani Harmer, Kimberley Walsh
Week 11
Mark Ramprakash, Lisa Snowdon, Tom Chambers
Week 12
Sophie Ellis-Bextor
Week 14
Chris Hollins
(I've listed Frankie twice as I know opinions on the canonicity or otherwise of the Donny-10 vary)