Production on Season 4 is up and running! We'll be giving you a roundup of the best social media from the cast and crew on set as production continues. Check out some of the best tweets and pics from this week below!
Amy Carlson is back on set for Season 4 as Linda Reagan.
There's nothing like flowers and Tom Selleck.
Amy keeps Donnie Wahlberg in line.
The Blue Bloods fans would sure appreciate Amy's work.
Sami Gayle is back as Nicky Reagan-Boyle.
Fans know what to give Donnie now when he's hungry on set!
Back on set. Why am I suddenly craving doughnuts?!?!— Donnie Wahlberg (@DonnieWahlberg) July 30, 2013
Catch up with episodes and highlights from season 3 now!