Britney Spears in treatment. What we just learned about her mental health battle and how she's getting support from her ex-husband Kevin Federline. Plus, Celine Dion?s message for Britney and what she?ll miss most about performing in Las Vegas. Then, "Rocketman" Taren Egerton is on our ET Vegas set revealing a major scoop from the new Elton John movie. And "The Property Brothers" break news to Nischelle Turner on their next big project. Plus, "The Beatles" greatest hits on stage. ET's Keltie Knight reports on the mystic and wonder of "Cirque du Soleil: Love." Entertainment Begins and Ends with ET.