There has been a swirl of reports that Tristan Thompson cheated on his girlfriend Khloe Kardashian, who gave birth to his daughter True last week. And now a source has told Us Weekly about his alleged technique, claiming the 27-year-old love rat 'slides into girls’ DMs' on Instagram. 'He messages girls that way, on Instagram, and then meets up with them. He likes exotic or non-American-looking girls with big butts,' the insider dished.