E! News, however, is shooting down any Dianna and Josh dating rumors, with a source explaining, "Dianna and Josh are just friends," adding, "There was no PDA, flirting or kissing."
The pair were seen on the dance floor at the party, as the source noted, "Diplo came out unplanned and Josh hit the dance floor with Dianna. They both love to dance and have a good time but they are definitely just friends." Also, some fans point out that Josh has a girlfriend and Dianna may have been in London at the time.
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Gallery | Oscars After-Party Fun