Jennifer Garner flashes her megawatt smile as she joins her fellow actors in making their voices heard at SAG-AFTRA strike in LA

Jennifer Garner was in high spirits on Tuesday as she joined a SAG-AFTRA strike outside of Fox studios in Los Angeles.

The 51-year-old Once Upon A Farm co-founder — who recently praised Reese Witherspoon — dressed in a white SAG-AFTRA T-shirt and faded, distressed jeans for the occasion.

Her tee was partially tucked into her denim, which was secured by a black leather belt.

She kept the bright sunlight out of her eyes with a pair of large, cat-eye, onyx sunglasses.

The mother-of-three later shared a selfie from the strike and wrote: ‘No people like show people! In solidarity — @sagaftra.’

Good mood: Jennifer Garner was in high spirits on Tuesday as she joined a SAG-AFTRA strike outside of Fox studios in Los Angeles

POV: The mother-of-three later shared a selfie from the strike and wrote, 'No people like show people! In solidarity ¿ @sagaftra'

POV: The mother-of-three later shared a selfie from the strike and wrote, ‘No people like show people! In solidarity — @sagaftra’

The longtime entertainer wore a watch on her left wrist and her brunette bob was slightly damp as it grazed her shoulders.

Jennifer marched in a pair of black sneakers with white laces and soles and wore a name tag sticker that read ‘Jen.’

SAG-AFTRA told its members on Wednesday to avoid dressing up as any characters featured in struck films or shows, via a digital flyer posted to its website.

In addition to avoiding characters featured in currently struck films or television shows, guild members were advised to avoid wearing costumes of characters owned by struck companies.

That includes characters from Marvel movies, who are primarily owned by Disney.

Responding to the memo, Ryan Reynolds, 46, joked on X: ‘I look forward to screaming “scab” at my 8 year old all night. She’s not in the union but she needs to learn.’

Shortly thereafter, the union quickly fired off a clarification to The Hollywood Reporter, noting that the guideline ‘does not apply to anyone’s kids.’

Actress Mandy Moore, 39, also criticized SAG in a reaction posted on Thursday.

Her look: Garner dressed in a white SAG-AFTRA T-shirt and faded, distressed jeans

Her look: Garner dressed in a white SAG-AFTRA T-shirt and faded, distressed jeans

Solidarity: Garner joined a host of other strikers who held signs and wore coordinating shirts

Solidarity: Garner joined a host of other strikers who held signs and wore coordinating shirts

Over the weekend the former Alias star rocked a brown skirt suit for a Hello Sunshine event

Over the weekend the former Alias star rocked a brown skirt suit for a Hello Sunshine event

‘Is this a joke?’ she wrote on her Instagram Story. ‘Come on @sagaftra. This is what’s important?’

She continued: ‘We’re asking you to negotiate in good faith on our behalf. So many folks across every aspect of this industry have been sacrificing mightily for months.

‘Get back to the table and get a fair deal so everyone can get back to work. Please and thank you.’

SAG-AFTRA has been on strike for around 100 days against the Association of Motion Picture and Television Producers (AMPTP), the group that represents major Hollywood studios and streams (including Netflix, Apple TV+ and Amazon).

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