A pop star seeking help? ET reports on Justin Bieber's new personal battle. Plus, breaking couples news. Is Lady Gaga is calling off her wedding? Then, what really went down at Jennifer Aniston's 50th birthday bash with Brad Pitt? Kate Hudson dishes the wild party details. And, Disney's "Frozen" was a massive success worldwide. Will "Frozen 2" be ever bigger? ET reveals new secrets from the blockbuster sequel including the big stars that may join the cast. Entertainment Begins and Ends with ET.