LeBron James ages from fresh-faced teen to NBA Legend in this fascinating GIF

A must see 11-second clip.

Watch this super star age 13 years in 11 seconds.

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A new GIF created by SportsBettingExperts.com lets viewers watch as the L-Train morphs from an 18-year-old rookie into the 31-year-old legend he is today.

What's refreshing to see is that he keeps that sparkling smile almost throughout the entire timeline.