Actress Jennifer Garner, who is helping lead a celebrity charge for stricter anti-paparazzi laws in California, confronted a paparazzo who was filming her and her three young children over the weekend.

The 41-year-old actress was at a farmer's market in Pacific Palisades, Calif., on Sunday, when she noticed the male photographer filming her family.

A photo of the incident shows the "Alias" star standing in front of the photographer and holding her cellphone in front of him. She reportedly took a photo of him with the phone.

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Garner and her husband, actor/director Ben Affleck, have three children together: Violet, 7; Seraphina, 4; and Samuel, 1.

Garner and actress Halle Berry testified before California lawmakers last month about the effects of aggressive paparazzi on their children, and they urged lawmakers to pass legislation to better protect their children.

The actresses said their children were fearful of the presence of the photographers who were constantly seeking to capture their images.

Halle Berry Testifies for Stronger Anti-Paparazzi Laws

Garner told the Assembly Judiciary Committee that a threatening stalker once trailed her with a crowd of photographers and hid behind her daughter's school, and the actress cried when she detailed the photographers' treatment of her family.

"I chose a public life … [but] my three children are private citizens," she said. "I love my kids. They're beautiful and sweet and innocent, and I don't want a gang of shouting, arguing, lawbreaking photographers who camp out everywhere we are all day every day to continue traumatizing my kids."

Berry, 46, has said photographers baited her 5-year-old daughter, Nahla, with taunting questions. The actress is pregnant with her second child.

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The bill supported by Berry and Garner would change the definition of harassment to include photographing or recording a child without the permission of a legal guardian by following the child or guardian's activities or by lying in wait.

The bill also calls for hefty fines and potential jail time for offenders, and it would also allow them to be sued in civil court.

At least on paparazzo argues, however, that celebrities are being unrealistic.

"You cannot be in a paparazzi hot zone and not expect to get photographed," Henry Flores told ABC News. "It's ridiculous. It's kind of like, you know, going to the crocodile den and expect not to be eaten."