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1. Big Boi

Big Boi performs at Centennial Olympic Park on September 28, 2014 in Atlanta, Georgia. (Photo by Prince Williams/WireImage)

2. Andre 3000

Andre 3000 performs at Centennial Olympic Park on September 28, 2014 in Atlanta, Georgia. (Photo by Prince Williams/WireImage)

3. Outkast

Outkast performs at Centennial Olympic Park on September 28, 2014 in Atlanta, Georgia. (Photo by Prince Williams/WireImage)

4. Outkast #ATLast Concert

A general view of the Outkast #ATLast Concert at Centennial Olympic Park on September 28, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images)

5. Outkast Fan

Outkast Fan attends the Outkast #ATLast Concert at Centennial Olympic Park on September 28, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images)

6. Todd Tucker and Kandi Burruss

TV personality Todd Tucker and TV personality Kandi Burruss attend the Outkast #ATLast Concert at Centennial Olympic Park on September 28, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images)

7. Andre 3000 of Outkast

Rapper Andre 3000 of Outkast performs onstage at the Outkast #ATLast Concert at Centennial Olympic Park on September 28, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images)

8. Bun B

Rapper Bun B performs onstage at Outkast #ATLast Concert at Centennial Olympic Park on September 28, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images)

9. 8 Ball and MJG

Rappers 8 Ball and MJG performs onstage at Outkast #ATLast Concert at Centennial Olympic Park on September 28, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images)

10. Yung Joc

Rapper Yung Joc performs onstage at Outkast #ATLast Concert at Centennial Olympic Park on September 28, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images)

11. Kilo Ali

Rapper Kilo Ali performs onstage at Outkast #ATLast Concert at Centennial Olympic Park on September 28, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images)

12. DJ Unk

DJ Unk performs onstage at Outkast #ATLast Concert at Centennial Olympic Park on September 28, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images)

13. Back Bone

Recording artist Back Bone performs onstage at Outkast #ATLast Concert at Centennial Olympic Park on September 28, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images)

14. Pastor Troy

Pastor Troy performs at Outkast #ATLast Concert at Centennial Olympic Park on September 28, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images)

15. Sean P of YoungBloodz

Rapper Sean P of YoungBloodz performs onstage at Outkast #ATLast Concert at Centennial Olympic Park on September 28, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images)

16. Bonecrushe

Rapper Bonecrusher performs onstage at Outkast #ATLast Concert at Centennial Olympic Park on September 28, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images)

17. Rapper Pastor Troy

Rapper Pastor Troy performs at Outkast #ATLast Concert at Centennial Olympic Park on September 28, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images)

18. Rapper Killer Mike

Rapper Killer Mike performs onstage at Outkast #ATLast Concert at Centennial Olympic Park on September 28, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images)

19. Andre “Andre 3000” Benjamin and Antwan “Big Boi” Patton

Source:(Photo by CatMax Photography/WireImage)

Andre “Andre 3000” Benjamin and Antwan “Big Boi” Patton of Outkast performs at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by CatMax Photography/WireImage)

20. Andre “Andre 3000” Benjamin

Andre “Andre 3000” Benjamin performs at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by CatMax Photography/WireImage)

21. Future

Future performs at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by CatMax Photography/WireImage)

22. 2 Chainz

2 Chainz performs at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by CatMax Photography/WireImage)

23. Future

Future performs at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by CatMax Photography/WireImage)

24. Janelle Monae

Janelle Monae performs at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by CatMax Photography/WireImage)

25. Janelle Monae

Janelle Monae performs at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by CatMax Photography/WireImage)

26. Rapper Andre 3000

Rapper Andre 3000 of Outkast performs onstage at Outkast #ATLast Concert at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images,)

27. Rapper Andre 3000 of Outkast

Rapper Andre 3000 of Outkast performs onstage at Outkast #ATLast Concert at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images,)

28. #ATLast

A general view of the Outkast #ATLast Concert at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images)

29. Rapper 2 Chainz

Rapper 2 Chainz performs onstage at Outkast #ATLast Concert at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images,)

30. Andre 3000 of Outkast

Rapper Andre 3000 of Outkast performs onstage at Outkast #ATLast Concert at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images,)

31. Rapper Big Boi of Outkast

Rapper Big Boi of Outkast performs onstage at Outkast #ATLast Concert at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images,)

32. Andre 3000 and Big Boi of Outkast

Andre 3000 and Big Boi of Outkast perform onstage at Outkast #ATLast Concert at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images,)

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34. Andre 3000 and Big Boi

Andre 3000 and Big Boi of Outkast perform onstage at Outkast #ATLast Concert at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images,)

35. Big Boi and Andre 3000 of Outkast

Big Boi and Andre 3000 of Outkast perform onstage at Outkast #ATLast Concert at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images,)

36. Janelle Monae

Janelle Monae performs at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by Radio One/Glenn Woods-@IAmGWoods)

37. Big Boi

Big Boi performs at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by Radio One/Glenn Woods-@IAmGWoods)

38. Future

Future performs at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by Radio One/Glenn Woods-@IAmGWoods)

39. Future

Future performs at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by Radio One/Glenn Woods-@IAmGWoods)

40. 2 Chainz

2 Chainz performs at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by Radio One/Glenn Woods-@IAmGWoods)

41. Andre 3000

Andre 3000 performs at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by Radio One/Glenn Woods-@IAmGWoods)

42. Big Boi

Big Boi performs at Centennial Olympic Park on September 26, 2014 in Atlanta, Georgia. (Photo by Radio One/Glenn Woods-@IAmGWoods)

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