It’s pool party season, and family gatherings around the pool are a great way to beat the heat and have some fun. But what happens when jealousy and insecurity turn a fun day into a drama-filled event? One woman found herself in the middle of a heated argument with her pregnant sister over her choice of swimwear.
Family Pool Party Tradition ♀️

Sister’s Husband is an Ex

The Bikini Drama Begins

Sister’s Jealousy Flares Up

Standing Her Ground

Refusing to Change

A Harsh Retort

Apology and Intervention

Mom Gets Involved ♀️

Grandpa’s Disappointment

Family Pool Party Turns Sour
A fun family pool party quickly turned into a drama-filled event when the pregnant sister demanded her sibling change bikinis, claiming she didn’t want her husband (who is also the protagonist’s ex) looking at her. Despite attempts to diffuse the situation, the protagonist refused to change and eventually left the party. Now, with both her sister and mom angry, she’s left wondering if she’s in the wrong for standing her ground. Let’s see what the internet thinks of this situation…
Grandpa steals the show with his legendary comment

Sister’s insecurities don’t justify her AH behavior at family party

NTA, but sister’s insecurity suggests husband’s unfaithfulness

Sister demands bikini change, blames sibling’s ex. NTA claps back

Sibling rivalry and insecurity over bikini choice at family pool party

Grandpa approves of bikini, sister and mom are a**holes

Sibling’s entitled behavior compared to wedding. Hilarious restaurant story shared.

NTA defends wearing bikini, grandpa gets love for support

Sibling jealousy over bikini size leads to pool party drama

Sassy comment sparks hilarious replies about petty revenge and intimacy

NTA. Trust is key in a relationship . Grandpa for the win!

Ex drama at family party? NTA says it all!

Commenter supports OP and grandpa, slams sister and mom.

Sibling defends bikini choice, questions future dress codes at parties

NTA sister marries ex, but grandpa and commenter are amazing

Sibling refuses to change bikini for pregnant sister, NTA wins

Mike’s reputation takes a hit in hilarious comment thread

Curious commenters question the source of the ‘modest’ bikini

Sister marries ex, accuses sibling of trying to get attention NTA

Savage response to pregnant sister’s bikini demand
![Image credit: [deleted] | [deleted]](https://static.diply.com/f8bb3e74-5f5b-45ec-b42f-8356998df823.png)
Watch out for those cray-cray exes

Grandpa wins approval in bikini drama. NTA comment.

Sibling’s pregnant insecurity at pool party with husband’s ex-girlfriend.

Defending against insecurity and family drama. NTA wins

Savage response to sister’s questionable relationship choice

Commenter supports OP’s decision and calls out sister’s behavior.

Sibling rivalry and jealousy. NTA for not changing.

Sister’s insecurities caused drama, Grandpa saves the day

Be prepared with a smaller bikini next time

Sister and mother are TAs according to commenter.

Sassy response shuts down pregnant sister’s bikini demands

Don’t blame the victim! NTA for wearing a bikini

Supportive comment defends OP’s decision to be civil with ex.

Sibling’s insecurities causing unnecessary drama at family pool party ♀️

Sister’s insecurity is not your problem. NTA

Parenting plays a big role in shaping a child’s behavior

Partner blaming or not, NTA for bikini choice at party

Insecure sister demands bikini change, grandparent defends. #NTA

Stand your ground, sis! NTA for not changing.

Sibling code broken, grandpa is MVP, you’re awesome!

Support for OP’s snarky comment about sister’s betrayal. NTA.
![Image credit: [deleted] | [deleted]](https://static.diply.com/05c3f267-0c6c-4268-bab2-9ff448e5db7e.png)
Sister’s jealousy leads to dress code drama at family party

Sibling drama at a pool party, but NTA. Sister’s insecurity shows.

Paranoid pregnant sister accuses brother-in-law of infidelity. NTA.

Grandpa’s got your back! Stand up for yourself

Pregnancy is not an excuse to be a brat

Dating sister’s ex: recipe for disaster at family events ♀️

Commenter reacts strongly to sister’s bikini demand. NTA.

Jealousy during pregnancy? NTA for wearing a bikini

Stand your ground! NTA for not changing bikinis.

Grandpa’s the hero, sister and mom need to chill. NTA

NTA, but was the bikini really the issue?

Sister’s insecurity should not dictate your clothing choices. NTA

Defending OP’s bikini choice and praising grandpa, NTA.

Grandpa is reasonable, but why cater to sister’s insecurity?

Body shaming is never okay, NTA stands up for sister.

Stand your ground! NTA for not changing bikinis.

Pregnancy doesn’t excuse toxic behavior #NTA #jealousy #bikini

Sibling’s husband may have unresolved feelings, drama ensues ♀️

NTA. Sister’s insecurities not your problem.

Sister’s jealousy shouldn’t dictate your clothing choices

Marriage insults aside, commenter thinks OP is not the a**hole.

Commenter defends bikini choice with spicy take

Sibling jealousy and trust issues. NTA, no apology needed.

Sibling code broken at family pool party

Sister gets with OP’s ex and now demands modesty?

Ex drama at the pool party? NTA, don’t change a thing!

No drama here, just a sibling supporting boundaries

Bold response to sister’s demand, asserting NTA judgement.

Pregnancy doesn’t give you the right to control others’ attire

Grandpa saves the day! NTA wins this one

Sister’s insecurities shouldn’t dictate your beachwear ️

Sister’s demand at family pool party backfires, grandpa stays woke

Don’t let anyone shame you for your choice of bikini
![Image credit: [deleted] | [deleted]](https://static.diply.com/a97c9cab-5968-4adb-b865-1708cc81318e.png)