Lady Gaga Reacts to Beyoncè ‘Telephone' Sequel Theories (Exclusive)

Lady Gaga chats with ET's Denny Directo at the Los Angeles premiere of her concert documentary, 'Gaga Chromatica Ball,' which debuts May 25 on HBO. The singer opens up about putting the film together and why this tour meant so much to her. She also says new music is coming 'soon,' which will be 'completely different' from her 'Chromatica' era. Plus, Gaga dishes on if she and Beyonc�� will ever make a sequel to their 2009 hit, 'Telephone.'