Here is the confirmed list of Bigg Boss Season 7 Tamil contestants with pictures/photos:

1. Ayesha - Dancer, Bigg Boss Tamil 5 contestant Amir's first student/non-biological sister

2.Saravana Vickram - TV actor (Pandian Stores fame)

 
3.Raveena Daha - Actress (Cooku With Comali 4 fame)
4.Jovika - Actress/Bigg Boss Tamil 3 contestant Vanitha Vijayakumar's 18 year old daughter 
5.Maya Krishnan (Actress)

6. VIshnu Vijay 

7. Vichithra Actress

8. Yugendran (Actor and Singer)

9. Vijay Varma - Dancer, Choreographer, Actor (2013 Thalaiva movie fame)

10. Ananya Rao (model, entrepreneur, dancer, and content creator)

11. Bava Chelladurai (Writer)

12. Mani Chandra (Dancer/Choreographer)

13. Cool Suresh (Comedian)

14. Vinusha Devi (Actress)

15. Pradeep Anthony (Actor)

16. Akshaya Udayakumar (Actress)

17. Nixen (Rapper)

18. Poornima Ravi (Actress)