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Ashley Olsen is flying solo.

Two sources confirm in the new issue of Us Weekly (on stands now) that the 24-year-old fashion designer has split with her boyfriend of two years, actor Justin Bartha.

Yet just five months ago, The Hangover star, 32, contemplated proposing to the former child star. "He's in love and is just waiting for the right time," an insider said at the time.

And though the two went loft-hunting in NYC three months ago, a pal insists that their relationship has run its course: "It's over."