Avril Lavigne - Avril Lavigne, 27, Engaged To Nickelback's Chad Kroeger, 37
Woah! We didn't see this one coming. Avril Lavigne has shocked just about everyone with her latest news. The 27-year-old pop star is engaged to marry Chad Kroeger - yes, that's the same 37-year-old Chad Kroeger who fronts American rockers Nickelback.
Sum 41 frontman Deryck Whibley in 2009. She also dated 'The Hills' star Brody Jenner for around two years, even getting tattoos to pledge their love to one another. The relationship came to an end not long before Lavigne and Kroeger started working together.