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Some of the last photos Paul Walker ever took were at his brother's wedding, which happened a little over a month before his tragic death.

The actor, who died at the age of 40 last weekend in a car crash, was the best man at his brother Caleb Walker's (center) wedding on October 19, 2013 ... 6 weeks before the accident.

In the sweet photos, Paul can be seen giving a speech after the ceremony, posing for photos with Caleb and youngest brother Cody (left) and taking group pictures with his entire family, including father Paul Walker Sr.

Sporting a gray three-piece suit, Walker looked incredibly handsome on his brother's special day -- and flashed his winning smile for the photos.

While Paul's death is incredibly sad, it's some comfort knowing his family has more photos like these to keep his memory alive.