Katy Perry reveals that Orlando Bloom's son Flynn, 13, helps her out with her music, saying that he "has a really good ear." The singer shares her daughter Daisy with Bloom, while he shares Flynn with ex Miranda Kerr.

Movie star Orlando Bloom, of course, has a star on the Hollywood Walk of Fame. But the (10-year-old) news came as a shock to Bloom's fiancée Katy Perry, who demanded, 'When did this happen?'

Katy Perry and Miranda Kerr have often dubbed themselves the "sister wives" and are extremely close, despite sharing a common partner in Orlando Bloom. The 39-year-old pop star shares a daughter with her fiancé Orlando,