Real Housewives Of New York City: Ramona Singer walks out of own party after ...

Ramona Singer walked out of her own Christmas shopping party after arguing with Sonja Morgan on Wednesday's episode of The Real Housewives Of New York City.

The 61-year-old reality star invited her friends to the shopping party with 25 percent off items at the upscale Henri Bendel store.

'Not everything has to be a charity event,' Ramona said.

Shopping party: Ramona Singer got into a tiff with Sonja Morgan while hosting a Christmas shopping party on Wednesday's episode of The Real Housewives Of New York City

Shopping party: Ramona Singer got into a tiff with Sonja Morgan while hosting a Christmas shopping party on Wednesday's episode of The Real Housewives Of New York City

Sonja, 54, was invited to the party despite vowing during the last episode that she had given her friendship with Ramona the 'kiss of death'.

Ramona and Sonja squared off at the party and aired out their differences.

Sonja chastised Ramona for not defending her against Dorinda Medley who claimed that Sonja cheated on her ex-husband during a nasty argument in the Hamptons.

'You know all the answers. You know everything about me,' Sonja said.

Party foul: Sonja chastised Ramona for not defending her against Dorinda Medley

Party foul: Sonja chastised Ramona for not defending her against Dorinda Medley

Former friends: Ramona and Sonja argued with each other in the middle of the party

Feelings hurt: Sonja was hurt that Ramona didn't defend her from Dorinda who claimed she cheated on her ex-husband

Former friends: Ramona and Sonja argued with each other in the middle of the party

Ramona said she didn't want to get involved because Sonja previously had told her things in confidence.

They ended up shouting at each other while standing face-to-face in the middle of the party.

'You have to calm down. You're not listening,' Ramona told her.

Face to face: The reality stars put their hands next to their mouths as they yelled at each other

Face to face: The reality stars put their hands next to their mouths as they yelled at each other

Up close: Ramona and Sonja got up close and personal while arguing

Up close: Ramona and Sonja got up close and personal while arguing

Ramona insisted that Sonja should have apologized to widow Dorinda for comparing her divorce to the death of a spouse.

Sonja in a confessional said that Ramona 'slaps a Band-Aid on any situation by saying sorry'.

'It doesn't work that way in real life. You need to work on issues,' said Sonja, who added that she feels like 'choking' Ramona sometimes.

Real life: Sonja during a confessional said that Ramona tries to fix any situation by saying sorry

Real life: Sonja during a confessional said that Ramona tries to fix any situation by saying sorry

Ramona warned Sonja that she was 'going to be all alone' if she kept isolating herself from everybody.

Sonja said that she was hurting along with Dorinda during their argument.

'She brings up Richard every hour on the hour, and I've always felt her pain,' Sonja said referencing Dorinda's late husband.

'I can't do this. I can't do it,' Ramona said and walked away.

Too much: Ramona had enough of Sonja and walked away from their discussion

Too much: Ramona had enough of Sonja and walked away from their discussion

All alone: Sonja was left alone at the center of the party

All alone: Sonja was left alone at the center of the party

Luann de Lesseps was sympathetic toward Sonja and said the others believe she needs an 'exorcism, therapy or straight jacket'.

'She needs a big sister. She needs a friend,' Luann said.

Sonja, who had a dinner to attend, then left quickly and Ramona also headed for the exit from her own party.

Most sympathetic: Luann de Lesseps was the most sympathetic toward Sonja

Most sympathetic: Luann de Lesseps was the most sympathetic toward Sonja

Party over: Ramona left her own party after her argument with Sonja

Party over: Ramona left her own party after her argument with Sonja

The episode opened with Ramona shopping at Sur La Table for a coffee maker for her daughter Avery.

Bethenny Frankel, 47, meanwhile welcomed her first visitor to her new apartment in SoHo when Sonja stopped by.

The Skinnygirl Cocktails founder showed Sonja her master suite and 225-square-foot master closet.

New apartment: Bethenny Frankel earlier showed Sonja her new apartment in SoHo

New apartment: Bethenny Frankel earlier showed Sonja her new apartment in SoHo

Under construction: The new apartment for Bethenny and her daughter Bryn

Under construction: The new apartment for Bethenny and her daughter Bryn

'What? Come on. I just peed a little,' admitted Sonja.

Sonja explained her issues with Ramona and her former houseguest Tinsley Mortimer.

She said that Ramona didn't feel her pain and labeled her a

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