Go here to find out what the number one song was on major milestones in your life.
When I was born -- Eye of the Tiger by Survivor (yes, I'm aware of the awesomeness.)
When I graduated from high school -- Maria, Maria by Santana
When I turned 18 -- Doesn't Really Matter by Janet Jackson (she can shut it)
When I turned 21 -- Crazy In Love by Beyonce (I can't tell you how awesome I think this is)
When I graduated from college -- Yeah by Usher (ft. Lil Jon & Ludacris)