In one of her last ET interviews, Catherine O'Hara couldn't help but beam with pride for her 'Home Alone' son, Macaulay Culkin. | Entertainment Tonight

Ashton Kutcher and Mila Kunis were paired together for interviews with ET when 'That '70s Show' premiered in 1998. The young actors reacted to becoming fresh faces in Hollywood at the time, as the groovy sitcom debuted the first of its eight seasons. | Entertainment Tonight

ET looks back at Mariah Carey through the years-- from her early pop star days to becoming the queen of Christmas in unseen interviews. | Entertainment Tonight

The cast of TV's 'Fame' reunites on ET to sing their iconic theme song. 🎶 | Entertainment Tonight

We all know the ET jingle, but did you know that this time it’s ringing in our 39th season?! Join us and the rest of the ET fam as we ring a brand new, star-studded season of Entertainment Tonight! ✨ | Entertainment Tonight

Jamie Lynn Spears created the iconic 'Zoey 101' theme song... with a little help from her older sister. 🎶 | Entertainment Tonight

3.4M views · 93K reactions | Not even the Mistress of Evil is safe from a good ol’ fashion blooper reel.  et.tv/2QwxOFk | Entertainment Tonight | Facebook

168K views · 902 reactions | The judges at The Voice have us SCREAMING at these hilarious bloopers -- Kelly Clarkson’s face!  et.tv/2mnkxDY | Entertainment Tonight | Facebook