As if the world wasn't bad enough ... smokin' hot Paulina Gretzky has dashed the hopes and dreams of men worldwide ... by getting ENGAGED to pro-golfer Dustin Johnson.
Paulina announced the terrible news on Instagram Saturday -- posting a pic of the giant diamond rock on her ring finger, captioned "Never been happier."
The couple has only been dating since early 2013 -- but, really, who wouldn't lock that down?
Now, a final farewell, to Paulina's almost-hitched assets ...
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