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.