The highly-anticipated fourth season of"Selling Sunset"morethan delivered on drama.

But when Quinn insisted that she was “good,” it drove Young to her breaking point.

The cameras scurried to follow her, as she stormed out of the party with El Moussa in tow.

Christine Quinn poses on the red carpet

But as the reality star toldET Canada, there may have been a good reason behind her actions.

At this point, fans are wondering whether Quinn will even appear inSeason 5 of “Selling Sunset.

“As for where she stands with Young these days, Quinn isn’t sure where things went wrong.

Christine Quinn and Heather Rae Young

“I was really hurt because Heather and I were so close.

She was like a sister to me.”