Round 1 part 1:
1. CBB15 Katie Price [12] vs CBB13 Lee Ryan [3]
2. CBB20 Chad Johnson [4] vs Tiffany Pollard [11]
3. CBB21 Wayne Sleep [13] vs CBB14 David McIntosh [2]
4. CBB12 Bruce Jones [4] vs Michael Barrymore [11]
5. CBB1 Jack Dee [2] vs CBB8 Jedward [13]
6. CBB12 Mario Falcone [8] vs CBB7 Alex Reid [7]
7. CBB19 Chloe Ferry [4] vs CBB7 Heidi Fleiss [11]
8. CBB9 Shannon Twins [12] vs CBB7 Stephanie Beacham [3]
9. CBB20 Trisha Paytas [6] vs CBB6 Michelle Heaton [9]
10. CBB9 Denise Welch [5] vs CBB17 Angie Bowie [10]
11. CBB16 Sherrie Hewson [8] vs CBB5 Cleo Rocos [7]
12. CBB21 Amanda Barrie [6] vs CBB12 Charlotte Crosby [9]
13. CBB16 James Hill [3] vs CBB4 Traci Bingham [12]
14. CBB20 Shaun Williamson [12] vs CBB21 Daniel O'Reilly [3]
15. CBB20 Sandi Bogle [8] vs CBB14 Dee Kelly [7]
16. CBB8 Lucien Laviscount [4] vs CBB4 Faria Alam [11]
17. CBB14 Gary Busey [12] vs CBB10 The Situation [3]
18. CBB10 Coleen Nolan [8] vs CBB10 Prince Lorenzo [7]
19. CBB20 Marissa Jade [4] vs CBB8 Tara Reid [11]
20. CBB12 Lauren Harries [11] vs CBB18 Katie Waissel [4]
21. CBB7 Jonas Altberg [3] vs CBB16 Chloe-Jasmine Whichello [12]
22. CBB13 Evander Holyfield [5] vs CBB5 Ken Russell [10]
23. CBB5 Shilpa Shetty [13] vs CBB3 Lisa I'Anson [2]
24. CBB17 Darren Day [5] vs CBB12 Abz Love [10]
25. CBB12 Louie Spence [8] vs CBB21 Maggie Oliver [7]
26. CBB16 Chris Ellison [2] vs CBB10 Jasmine Lennard [13]
27. CBB19 Stacy Francis [7] vs CBB7 Ivana Trump [8]
28. CBB17 Jonathan Cheban [11] vs CBB13 Dappy [4]
29. CBB5 Jackiey Budden [3] vs CBB17 Megan McKenna [12]
30. CBB14 Kellie Maloney [11] vs CBB10 Ashley McKenzie [4]
31. CBB6 Ben Adams [7] vs CBB12 Danielle Marr [8]
32. CBB17 David Gest [14] vs CBB7 Dane Bowers [1]
Bolded win their pair and advance to the next round.