Millie Bobby Brown, Noah Centineo and Matthew Morrison will also appear on the Kristen Bell-hosted special.
The former couple called it quits in 2018 after six years together.
‘Not too much these days makes him smile as big as he did in that picture,’ the veteran’s daughter told ET.
Plus, how the latest 'Fast & Furious' movie will pay tribute to Paul Walker.
The pro-wrestler joined ET as a co-host on Wednesday and issued a strongly-worded challenge to the pop star.
The wrestling legend co-hosted ET on Wednesday evening, where he called out Justin Bieber after their social media feud.
ET caught up with Cena at the premiere of 'Dolittle,' where he addressed the shots they've taken toward each other on social media.
ET spoke with John Cena about being part of the WWE family at the premiere of 'Dolittle,' in theaters Jan. 17.
'I really want to take our time being engaged, and just soak it in,' she says.
Brie Bella thinks her twin sister made a "big mistake" during her split from the actor.
The 'Playing With Fire' actor attempts to decode the meaning behind words such as shook and stan.
The 'Playing With Fire' star shared a heartfelt video expressing his support for the state's hardworking firefighters.
ET's Nischelle Turner sat down with Cena and his co-star Keegan-Michael Key to talk about their new movie, 'Playing with Fire.'
