On last night's Here Comes Honey Boo Boo season finale, 17-year-old Anna gave birth to her daughter Kaitlyn. We've known about Kaitlyn for a while now, mostly because she has an extra thumb on her right hand. The family was just as fascinated and amused as their audience — Alana joked about coveting the extra thumb for its assistance in grabbing cheeseballs, while her sister Jessica gave her niece her first "high six." Probably won't be her last, either.