"When you're 20, 21 years old you think you've got it all figured out. You think you're an adult. She's pushing the envelope a little bit in order to get column inches and that's exactly what she's getting." Former Beverly Hills, 90210 star Jason Priestley on Miley Cyrus' controversies - the actress/singer raised eyebrows with a provocative dance routine at the MTV Video Music Awards and followed that up by appearing naked in new video Wrecking Ball.