Want to know a couple of ways to boost your investment returns? One is to buy stocks with growing dividends. Many investors might not realize that dividends accounted for roughly half of the S&P 500's total return over the last 30 years. Another way to increase your returns is to expand your investing timeline. The longer the period during which you're invested, the more money you could make.

Combining both of these approaches is an even better idea. Dividend Kings are S&P 500 members that have increased their dividends for at least 50 consecutive years. Buying and holding these stocks can pay off nicely over the long run. But some of these dividend stocks have better potential from here than others. Here are three top Dividend Kings to buy for the long haul.

AbbVie (NYSE: ABBV) has increased its dividend for 50 consecutive years, including the time it was part of Abbott Laboratories. Since it was spun off from Abbott in 2013, the big drugmaker's management has increased its dividend payouts by more than 250%. AbbVie's dividend yield currently stands above 3.6%.

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Source Fool.com