The talk-show host replies, "You're a attractive person inside and out", before asking if she would start acting like the world's most lovely person from now on.
As the gorgeous star, 47, tells PEOPLE in this week's issue, "I was very surprised, and it took me a minute honestly to accept it". Do you think I should start really turning it up for school drop-off and stuff? "I think I'll maybe wear some yoga trousers, some leggings, maybe a ponytail".
"That's the first time I've seen it".
The star jokes that she's bad at doing her own makeup, explaining, 'I own the nicest brushes, and I own contouring things.
"This is so embarrassing, I mean seriously", the actress said after her selection was announced Tuesday on "The Ellen DeGeneres Show". I guess I thought you guys would boo. That happens, if I'm out and about, every day at some point.
Speculation aside, the "Camping" star has three children in real life.Garner has two daughters named Violet (born in 2005) and Seraphina (born in 2009) and a son, Samuel (born in 2012), with ex-husband Ben Affleck.
Jennifer Garner never considered herself as "one of the pretty girls" when she was growing up in West Virginia.
"I'll feel like the best possible version of myself", Garner said, describing the high of coming off a photo shoot.
She emphasized, "Looks weren't a big deal in my family".
Garner shares, "I don't know, do you think? Can you put your hair in a ponytail and put your glasses and sweats on?"
Jennifer added that while her offspring are used to seeing her get glammed up for red carpet events or premieres, they are always keen for her to return to her "Mom" clothes.