Jennifer Garner reveals who still makes her starstruck (Exclusive)

Jennifer Garner may be an A-lister, but she still gets starstruck. 

ET's Cameron Mathison sat down with the 45-year-old actress and her The Tribes of Palos Verdes co-star, Maika Monroe, at the film's junket on Friday, where Garner revealed who she still gets giddy seeing out and about. 

"I am starstruck by children's book authors, big time," she revealed. "I met Marla Frazee and was just, didn't even know what to say to her. I am starstruck by ballerinas, big time. I am starstruck...I heard this woman play the saxophone the other day, she was so amazing. I couldn't look at her after. Just anyone who can do something that you can't do."

"Barefoot Contessa!" she added. 

EXCLUSIVE: Inside Jennifer Garner's 'Ugly Mother' Transformation for 'The Tribes of Palos Verdes'

While Garner gushed about her idols, Monroe, 24, couldn't stop singing Garner's praises. The two play mother and daughter in the film, which centers on their family's move to the idyllic and affluent suburb of Palos Verdes in Los Angeles -- and the drama that ensues. 

"This comes from the bottom of my heart. I don't think I've met a more genuine, more talented, literally, it was a hard movie for both of us. It was just, every day was a different thing, and what Jen brought to set, I have so much respect," she raved. "I wanna grow up to be you."

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Jennifer Garner out and about
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Jennifer Garner out and about
LOS ANGELES, CA - NOVEMBER 17: Actress Jennifer Garner attends the premiere of 'The Tribes of Palos Verdes' at The Theatre at Ace Hotel on November 17, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - NOVEMBER 17: (L-R) Joe Keery, Maika Monroe and Jennifer Garner attend the premiere of 'The Tribes of Palos Verdes' at The Theatre at Ace Hotel on November 17, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - NOVEMBER 12: Jennifer Garner is seen on November 12, 2017 in Los Angeles, California. (Photo by BG004/Bauer-Griffin/GC Images)
CULVER CITY, CA - NOVEMBER 11: Actress Jennifer Garner attends the 2017 Baby2Baby Gala at 3LABS on November 11, 2017 in Culver City, California. (Photo by Axelle/Bauer-Griffin/FilmMagic)
NEW YORK, NY - OCTOBER 19: Actress Jennifer Garner is seen walking in Soho on October 19, 2017 in New York City. (Photo by Raymond Hall/GC Images)
NEW YORK, NY - OCTOBER 18: Actress and Save the Children Trustee Jennifer Garner attends the 5th Annual Save the Children Illumination Gala at the American Museum of Natural History on October 18, 2017 in New York City. (Photo by Noam Galai/Getty Images for Save The Children)
NEW YORK, NY - OCTOBER 18: Actress Jennifer Garner is seen walking in Soho on October 18, 2017 in New York City. (Photo by Raymond Hall/GC Images)
LOS ANGELES, CA - OCTOBER 15: Jennifer Garner is seen on October 15, 2017 in Los Angeles, California. (Photo by BG004/Bauer-Griffin/GC Images)
EAST HAMPTON, NY - OCTOBER 06: Actors Jennifer Garner and Maika Monroe attend the red carpet for 'The Tribes of Palos Verdes' at UA2 East Hampton Cinema 6 during Hamptons International Film Festival 2017 - Day Two on October 6, 2017 in East Hampton, New York. (Photo by Eugene Gologursky/Getty Images for Hamptons International Film Festival)
LOS ANGELES, CA - AUGUST 23: Jennifer Garner is seen on August 23, 2017 in Los Angeles, California. (Photo by BG004/Bauer-Griffin/GC Images)
LOS ANGELES, CA - SEPTEMBER 12: Jennifer Garner is seen on September 12, 2017 in Los Angeles, California. (Photo by BG004/Bauer-Griffin/GC Images)
LOS ANGELES, CA - AUGUST 01: Jennifer Garner and Ben Affleck's mother Christine Anne Boldt are seen on August 1, 2017 in Los Angeles, California. (Photo by BG004/Bauer-Griffin/GC Images)
LOS ANGELES, CA - JULY 26: Jennifer Garner is seen on July 26, 2017 in Los Angeles, California. (Photo by BG004/Bauer-Griffin/GC Images)
LOS ANGELES, CA - JULY 02: Jennifer Garner is seen on July 02, 2017 in Los Angeles, California. (Photo by BG004/Bauer-Griffin/GC Images)
BEVERLY HILLS, CA - JUNE 06: Jennifer Garner attends NET-A-PORTER x Draper James Event on June 6, 2017 in Beverly Hills, California. (Photo by Stefanie Keenan/Getty Images for NET-A-PORTER)
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"Oh my gosh," Garner replied, agreeing that their emotional roles (Garner's character finds out her husband is cheating on her) definitely took a toll. 

"The character is something so different from anything I've played before. I usually play characters who are more kind of buttoned-up than I am in real life. To play somebody who is this just coming apart at the seams was exciting, terrifying but exciting," she said. "I went home to kids and a busy house, so I didn't really have a choice [of whether or not to shake it off]." 

RELATED: Jennifer Garner Embodies 'Chaperone Life' in Selfie Taken on Overnight Girls Scout Trip

The mother of three also dished on her first time moving to Los Angeles, admitting that she found similarities between herself and her character's tough adjustment at first. 

"I did have a hard time leaving. I lived in New York first, and I moved out here and felt like, 'What did I do?'" she confessed. "I really had to make the decision to be happy and figure out what the things are that I love about it here, and do them constantly. They were hiking, farmers markets, cooking, yoga... I found a few things and the work followed." 

Now, Garner's career couldn't be hotter, as the actress is about to start working on an action film, Peppermint -- and has showcased her intense training on Instagram. 

"[It's] super fun. It's my same stunt double [from Alias]," she revealed. "She's like a sister. It's so great. She's the best." 

WATCH: Jennifer Garner Takes 'Tutu Tuesday' to a New Level During Stunt Rehearsal

"I been doing tutu Tuesdays to celebrate different ballerinas, because I love them so much and I stalk them on Instagram. And I just one night was on Amazon and clicked. And then stunt people are so game for anything that when I said to these big men, put tutus on, they didn't even bat an eye, they just put them on," she explained of her Instagram video. "We just did the whole two-hour rehearsal with them on, nobody even questioned."

Garner also opened up about the importance of supporting women in the industry. 

"Just keep seeking out women because we don't get to work together very much and you have to insist on having women as part of your job life, your career -- not just outside of work, but work. And if you find one, hold onto them," she shared. 

"It's your responsibility to call me if you need something, and it's mine to say, 'Come on up, what can I do? How can I help you?'" Garner continued, addressing Monroe. "Look after the other women around you and make sure you are going around them if you need them."

The Tribes of Palos Verdes hits theaters on Dec. 1.

RELATED: Jennifer Garner Skips Right Over Thanksgiving With Festive Pic: 'Bring on Christmas'

 

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