Alexandra & Keanu READY TO WED!

Keanu Reeves and girlfriend Alexandra Grant are walking down the aisle next year, reveals a source, who says the duo are skipping a long engagement and heading straight to the altar.

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"They've been together for so many years," notes the source. "Plus, Alexandra isn't the type to want a big, flashy diamond ring." The wedding will be super low-key, just like the actor, 60, and the visual artist, 51. "They don't need anything grand," says the source. "What Keanu and Alexandra do want, though, is a wedd