Hilton hosted the bash for 944 magazine in Scottsdale, Arizona and was stunned when the headliner turned on her. The two star attractions have been romantically linked in the past, but there was no love lost when Hilton tried to steal the show.

After 50 Cent namechecked her during his performance, Hilton climbed onstage to dance, but was promptly told to "Get the f**k off the stage" by the angry star. Onlookers tell PageSix.com the outburst prompted Hilton to break down in tears - more on this story

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