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Khloe Kardashian and Trey Songz were an item back in the day. Now, the exes could be sparking something again after the two were spotted hanging out at Justin Bieber's party. Even though the event was a "small gathering" sources say the two spent most of the night together talking in a booth. Things didn't get too hot and heavy between the two, Khloe's bodyguard was close by.