Most people aren't smiling after a run-in with the police.

Luckily, the NYPD officers who stopped Jennifer Garner on the street during the 43-year-old actress' recent trip to New York were just fans.

"She was walking alone, just going about her day," a source tells ET, revealing Garner appeared to be in a good mood. "The officers saw Jen and asked if she would take a photo with them, which she obliged."

EXCLUSIVE PICS: Jennifer Garner Seen Smiling and Hugging Mystery Man While Out in L.A.

The Alias star had a turbulent past year -- since splitting from husband Ben Affleck last June after 10 years together -- but has been all smiles of late.

Garner's fan club of cops wasn't even her most adorable encounter on the streets of NYC. While leaving the gym after a workout, the mother of three spotted a group of children and couldn't help glow over an adorable toddler wearing a bright red coat and animal hat.

All together now: Awww!

Now, take a look at Garner's first movie since her split, the tear-jerking, faith-based film, Miracles From Heaven: