ET'S breaking big Grammy news! Inside the major plans for music's biggest celebration and an exclusive interview with the just announced 15-time Grammy award winning host. Then, Anna Faris reveals what happened after her ex-husband, Chris Pratt proposed to Katherine Schwarzenegger and the offer she made to the couple. Plus, Chrissy Metz, Milo Ventimiglia, Mandy Moore. We're with the "This Is Us" cast unlocking clues to the Pearson's dramatic next chapter. And, ET's exclusively on set with LL Cool J, Chrissy Teigen and the surprise performers taking on "Gaga" and "Britney" at the season premiere of "Lip Sync Battle!"

Then, ?Serenity? stars Anne Hathaway and Matthew McConaughey are reuniting on the big screen and wait till you hear who reveals a crush with a co-star.

Plus, her unforgettable voice and charm gave us classics like ?Hello, Dolly!? and ?Diamonds Are a Girl?s Best Friend.?

ET remembers Broadway legend and Hollywood icon, Carol Channing. Entertainment Begins and Ends with ET!