90 Day Fiancé: The Other Way season 4 finale aired on TLC this Sunday, May 7, at 8 pm ET. The episode featured Gabe and Isabel’s wedding day and the couple was very excited about their nuptials. Gabe compared the day to a fairy tale where he was marrying the woman of her dreams. However, things soon got sour as Gabe’s sister Monica refused to show up at the wedding.The brother-sister duo had fought just a night before the ceremony, where Monica asked Gabe not to marry somebody who he was afraid to talk to. Gabe told Monica in anger that she created problems in his relationships after which the latter decided not to go to the wedding. Gabe’s mother asked him to forget about the issue for the time being:"Today is just not the day for this." View this post on Instagram Instagram PostGabe started to cry and confessed that he just wanted his mother and sister by his side. Isabel was getting angrier by the minute as Gabe was just supposed to “take a shower, get dressed and be here” but he was still in his room, crying on his bed.90 Day Fiancé: The Other Way fans blamed the entire situation on Monica and slammed her for ruining her brother's wedding day. They called her out for being a "controlling bully" who wanted Gabe all to herself.Jenny@Jenny86753ooh9Gabe’s sister Monica is such a controlling bully! She wants her brother to herself. So selfish! How dare her try and ruin his special day #90dayfiancetheotherway #90DayFiance #TLC9Gabe’s sister Monica is such a controlling bully! She wants her brother to herself. So selfish! How dare her try and ruin his special day #90dayfiancetheotherway #90DayFiance #TLC90 Day Fiancé: The Other Way fans call out Monica for ruining Gabe's wedding dayJust days before the ceremony, Monica had advised Gabe to get a prenup before marrying Isabel, who is a stay-at-home mother. This made Gabe very angry and he fought with his sister, not expecting that she would not even come to his wedding. Monica's absence ruined Gabe's mood and he did not even reach the ceremony hall in the episode. View this post on Instagram Instagram Post90 Day Fiancé: The Other Way fans slammed Monica for not attending her brother's wedding and called her out for being a "narcissist" who did not want anyone else in her brother's life.MauiMami@mauimamiI didn't realize Gabe's wedding day was all about you, Monica?!?!#90DayFiance#90daytheotherway7I didn't realize Gabe's wedding day was all about you, Monica?!?!#90DayFiance#90daytheotherway https://t.co/qx8K1BumfqGood Music = My Life@IamBigMorgGabe's sister is selfish #90DayFianceTheOtherWay #90daytheotherway #90DayFiance#90DayFiancePillowTalk8Gabe's sister is selfish #90DayFianceTheOtherWay #90daytheotherway #90DayFiance#90DayFiancePillowTalkJessica@forgotme34Monica is prob gonna regret not going to Gabe's wedding. #90daytheotherway #90DayFiance2Monica is prob gonna regret not going to Gabe's wedding. #90daytheotherway #90DayFianceKelly ⚡️@kellyelizmcdMonica is abusive to Gabe 🥺 narcissist who punishes boundaries #90dayfiancetheotherway #90dayfiance3Monica is abusive to Gabe 🥺 narcissist who punishes boundaries #90dayfiancetheotherway #90dayfiance https://t.co/EiWXA0xHSOReality TV Universe 🌎@RealityTVUMonica makes problems in all of Gabe's relationships because she's jealous and wants to be the most important person in Gabe's life.#90DayFiance #TheOtherWay #90DayFianceTheOtherWay9Monica makes problems in all of Gabe's relationships because she's jealous and wants to be the most important person in Gabe's life.#90DayFiance #TheOtherWay #90DayFianceTheOtherWay https://t.co/RD8XcDsMzzGenevieve🐆@VintageAlleyCatI don’t like Gabe’s sister #90dayfiancetheotherway #90DayFiance3I don’t like Gabe’s sister #90dayfiancetheotherway #90DayFianceashley 💗@SnuggleSZNMonica seems to intentionally sabotage things in Gabe’s life. She says she cares, but she’s acting like an opp. #90DayFiance #90dayfiancetheotherway5Monica seems to intentionally sabotage things in Gabe’s life. She says she cares, but she’s acting like an opp. #90DayFiance #90dayfiancetheotherwayIsland Child@MostLoveable82I really hate that Monica has tainted this day for Gabe. #90DayFiance2I really hate that Monica has tainted this day for Gabe. #90DayFianceWhat happened on 90 Day Fiancé: The Other Way season 4 finale?TLC's description of the episode reads:"A family fight leaves Gabe and Isabel's wedding in jeopardy; Kris and Jeymi have an explosive reunion; Daniele and Yohan's marriage is on the rocks; Oussama asks Debbie to hear him out; Jen and Rishi's relationship reaches a breaking point."Debbie decided to leave Morocco after breaking up with Oussama and revealed that she will never contact him again. Kris and Jeymi met each other in Colombia after a long time but ended up having a big fight after the latter yelled at Kris.Yohan bonded with Daniele's ex but refused to apologize to the latter for his behavior.90 Day Fiancé: The Other Way Tell-All part one will air on TLC next Sunday, May 14, at 8 pm ET.