Did you know Jordan was on a Blue Bloods episode? That Donnie is thinking about writing a book? How much do you know about what happens behind the scenes on Blue Bloods?

In case you missed it, you have to watch this! Everything you wanted to know about what happens behind the scenes on Blue Bloods and so much more!

Donnie Wahlberg on CBS.com/Connect. Nov 11, 2013

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