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Selena Gomez

Charley Gallay/WireImage

Selena Gomez has evidently taken a page from Taylor Swift's revenge style guide.

Yep. Just one night after Harry Styles' reported ex showed off some serious cleavage in a Ralph Lauren gown at the People's Choice Awards, Justin Bieber's former flame was doing the same.

Sporting a colorful cut-down-to-there dress, the once-again single Selena easily turned heads while attending a benefit in Los Angeles cohosted by designer Alberta Ferretti.

Earlier in the day, a source confirmed to E! News that Selena and Justin are currently off again.

"They're both hurting. They're both trying to figure out what happens next. It's not over over. But they're not together."

Hmm, maybe after the Biebs gets a look at this, he might have a change of heart.