Hewitt will play the new character of Maddie, the sister of firefighter Evan Buck Buckley (Oliver Stark), who is starting her life over as a 911 operator.
"That is not what I'm going to look like on the show".
Hewitt has largely disappeared from Hollywood since starring in Criminal Minds from 2014 to 2015. The casting brings her back to the Fox family after she starred in the network's Party of Five and led its spinoff, Time of Your Life.
Full house: Jennifer and her husband, Brian Hallisay, have two children, Autumn, four, and Atticus, two. "It has been a really intense couple of days". Not a good idea.
The 39-year-old actress took to her Instagram Story on Tuesday to hilariously apologize to her fans for her look at Fox's Upfront presentation in New York City on Monday. Not wearing enough hairspray and teasing in my hair?
Jennifer Love Hewitt to replace Connie Britton in Fox's '9-1-1'
Obviously her own worst critic, Hewitt continued, "I just have to apologize for how wrecked I look in all the pictures that have come out".
"I was literally melting by the time I got to the red carpet".
The former Ghost Whisperer star looked chic in minimal makeup and a black pantsuit while walking the red carpet - but she thinks otherwise. "I should've really gotten it together!" It ranks amongthe seasons top 3 new entertainment series overall among Adults 18-49, and the No. 2 new drama in the same demo. "9-1-1" drew Fox's largest total multi-platform audience this season, averaging 14.9 million total viewers for the 2017/18 broadcast season, up 137% from its L+SD delivery.
She wrote: 'To set the record straight, I'm not upset for me, but for all of the girls out there that are struggling with their body image.
Don't be so hard on yourself, Hewitt.