2: Very young cat I lost in an ancient city (7)
5: However, you expect trouble at first (3)
7: A prison is in commotion (5)
9: Bride's outfit - a sort of shirt by Jean-Jacques? (9)
10: Outspoken one-time Houston gridiron pro and mathematician (5)
11: Begins seeing another divorcee? Deplorable. (3)
12: Classical musician composing her opus (7)