Cheer up, Paris! Hilton heiress looks glum at 'mellow' New Year party after losing her phone

By DAILY MAIL REPORTER Give us a smile: Paris Hilton cut a glum figure as she celebrated New Year's Eve in a Mexico nightclub with boyfriend Cy WaitsGive us a smile: Paris Hilton cut a glum figure as she celebrated New Year's Eve in a Mexico nightclub with boyfriend Cy WaitsTaking to Twitter, Paris told her fans about her 'fun' but 'mellow' New Year.'Just getting ready for bed. Had a mellow, bu...