The pop star had an emotional moment with her co-star, Derek Hough.
The 'Piece by Piece' singer also reveals she only voted for one contestant in 'American Idol's 15 seasons.
Gaga first made the revelation she suffers from PTSD in an open letter.
Mother Monster greeted Prince Charles and Wife Camilla at the Royal Variety Performance in London Tuesday.
The 'America's Got Talent' host fired back in a series of Instagram posts on Wednesday.
A source previously told ET that the rapper and reality star are "more in love than ever."
ET's rounding up what our favorite celebs are posting on social media!
The actress reveals the beloved sitcom might be making its way back to NBC with 10 new episodes.
Pink and Carey Hart are doing just fine.
ET sat down with the star inside her new, luxe closet!
The 32-year-old royal attended ICAP Charity Day in support of Sentebale on Wednesday.
