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)