forcing and blackmailing me to give divorce

I'm a female and got married 2 months back.. but before i got married i had a boyfriend.. i had some pictures and videos which i took with him in past which Clearly shows that he was my boyfriend (kisses and hugs)... after 4 days of marriage my husband checked my phone without my permission and eventually saw the pictures and videos.,shared those things to his mobile without my permission.. and showed everything to my in-laws... they immediately they called my parents and sent me home back.. And now they are blackmailing me and my family to give my husband divorce.. even though I'm not interested to give divorce... i apologised a lot and they r not listening me they r blackmailing me through calls and forcing to give divorce...when i asked my husband that " do uh want divorce?".. he answered me that to convince his parents if his parents will accept me then he will accept me too... but i don't want to give divorce and they r blackmailing me to an extinct.. what should I do?..( I'm a muslim)