In the episodes following the break up , Rachel and Ross are initially hostile towards each other . The exes continue to harbor feelings for each other . During a beach house vacation with their friends , Rachel and Ross briefly reconcile when he end his relationship with Bonnie ( Christine Taylor ) , only to break up once again due to a disagreement . During season four , Rachel date her customer Joshua ( Tate Donovan ) , while Ross date her boss ' niece Emily ( Helen Baxendale ) , to whom he eventually get engaged . Competitively , Rachel propose to recent divorcee Joshua , frightening him off . Rachel indirectly contribute to the demise of Ross and Emily 's relationship when he accidentally utter Rachel 's name while exchanging their wedding vows . Ross ultimately divorce a jealous Emily , choosing his friendship with Rachel instead .