Astronaut Buzz Aldrin, 81, Files for Divorce

 Chelsea Lauren/WireImage

Their love wasn't written in the stars after all.

Former astronaut Buzz Aldrin, 81, has filed for divorce from his third wife, TMZ reports. Aldrin — the second man to walk on the moon — tied the knot with Lois Driggs Cannon on Valentine's Day in 1988.

When his attorney filed papers in L.A. Wednesday, Aldrin cited "irreconcilable differences" as the reason for their split; they have no children together.

Aldrin — who competed on Dancing With the Stars' 10th season — told Us Weekly in April 2010 that his wife "taught me the jive and the quick step."

"Now he's teaching me his new steps!" Driggs Cannon added of the skills he picked up from pro partner Ashly DelGrosso.

Aldrin's former wives include Joan Archer (with whom he had three children, James, Janice, and Andrew) and Beverly Zile.

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