Here’s the thing about Nickelback—they are legitimately one of the most famous rock bands in the world. It’s sort of a mystery, actually. You might not like them. You might not think you know anyone who does. But you’re wrong. They are the eleventh best-selling band of the last decade, and the second best-selling foreign band in the U.S. (second only to the Beatles!). So, statistically speaking, you definitely know someone who likes Nickelback. All this to say, the fact that Nickelback frontman Chad Kroeger married Avril Lavigne over the weekend may not seem like news to you, but it’s news to millions of people somewhere in the world. So, if you know a Nickelback fan, congratulate them on their favorite rock star’s happy day …