Trivia: At the start of the film when Baby is walking with the coffees, the words to the song he is listening to are often seen on the walls as graffiti and on lamp posts as posters as he walks past.
Trivia: During the second heist, all of the crew are wearing Austin powers masks. Kevin Spacey who co-starred in this had a cameo appearance in the third Austin Powers film, playing himself.
Answer: Baby is sentenced to twenty five years in prison, and is given a parole hearing after serving five years of the sentence. Baby is then released after the parole hearing, spending five years in prison.
Casual Person
Five years is correct - for one interpretation of the ending. Another possibility is that the ending we see is a fantasy and Baby served the full sentence. Some fans have this theory because Baby and Debora have not aged, and the car and her outfit are almost dreamlike in their presentation.