James 'Arg' Argent, Bobby Norris, Danielle Armstrong and Pete Wicks appeared on Good Morning Britain to promote the brand new series returning on Sunday.
Speaking about Jessica Wright's grandmother Nanny Pat - real name Patricia Brooker - who passed away in December, Bobby said: "It's sad to be back here because the last time we were here, we were with Nanny Pat."
Pete said: "It's not the same without her, is it?"
Meanwhile, Danielle said: "She loved TOWIE and she had an amazing life."
Bobby added: "I'm sure she'll be looking down on us now smiling."
This week, Carol Wright admitted she questioned her future on TOWIE after daughter Jess quit, but said she knows her beloved mother would want her to continue.
TOWIE returns on Sunday 28 February at 10pm on ITVBe.
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