The two are magnificent on the court and constantly a topic of debate amongst all NBA fans.
Although the pair have been the most popular and polarizing figures in the NBA for quite some time, Bryant suggested this week after a win over Sacramento that he never had a rival to push him to succeed.
Bryant went on to say he was solely motivated by championships.
LeBron should take this as a not-so-pleasant swipe. Whether Bryant admits it or not, he does have one rival lurking in the shadows.
Here are the three reasons James is indeed Kobe's biggest and only rival.