Selena Gomez ’s keeping it raw and real, delivering a message to haters after opening up about her personal life -- not being able to carry children, being bipolar -- saying they can kindly "f*** off." The actress got candid at the recent Women in Film event ..

. she wants to be a voice for women, because even though she's a celeb -- everyone's got their own struggles at the end of the day. Selena Gomez with her sister Gracie at the Women in Film dinner in Beverly Hills, CA.

♥️ pic.twitter.com/gkpTdgk9BS She also spoke out about other tough parts of her life .

.. telling attendees there’s zero shame about having issues, and asking for help.

"There's power in being vulnerable." Selena urged everyone -- especially her lil sis Gracie sitting by her side -- not to "ever let anyone tell you that you're not a good person." In a final mic-drop moment, Selena threw down with, "Screw anyone who tells you you're a victim .

.. You're a survivor in my book.

" Selena first talked about how she can't carry kids because of health reasons last week. But she made it clear she was still set on being a mom someday -- which is great news for her boyfriend, Benny Blanco , who's totally down to have kids with her ..