Breaking Britney Spears news. Why the pop star checked into a mental health facility. And, Lori Loughlin and Felicity Huffman face a judge in the college admissions scandal. ET is in Boston with new details. Plus, Jennifer Lopez gets candid about her relationship with Alex Rodriguez. When did she knew he was the one? ET in Las Vegas! New confessions from Kelly Clarkson and Kevin Hart crashes our ET Vegas set. Then, Kevin Frazier and Keltie Knight face off in a "Hell's Kitchen" cooking challenge judged by celebrity chef Gordon Ramsay. Then, Emilia Clarke opens up about her health battle and how the cast of "Game of Thrones" helped her through it. Entertainment Begins and Ends with ET.