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We could barely believe it was happening this quickly ourselves, so it's no surprise Lamar Odom's baby-mama and former high school sweetheart Liza Morales would be shocked at how fast everything is happening!

"It's just really, really shocking," Morales tells E!. "Everybody, and I quote, 'everybody' is shocked by this."

So is the shock that Lamar's marrying Khloe? Or that he's getting married after only two months of dating?

"Lamar was always a commitment-phobe," she said. The exes actually got engaged over eight years ago but despite having three children (including one who died of SIDS), they never made it down the aisle.

Let's hope this weekend's a different story!