Meghan King Edmonds appeared to offend Gretchen Rossi on Twitter on Monday.

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As she promoted the 10th season of The Real Housewives of Orange County, which premieres on Bravo tonight, Edmonds discussed prior seasons of the show on social media, and labeled Rossi's deceased fiance as "the old guy."

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When Rossi got word of the new reality star's tweet, she asked Edmonds, "Sad? You mean that he passed?"

Edmonds didn't realize that Rossi's former fiancé, Jeff, had passed away, and quickly apologized to Rossi for her statement. Luckily, Rossi accepted Edmonds' apology, and the pair then exchanged kind sentiments.

"Thank you very much, it was a horrible time in my life," Rossi then said. "I've heard the stuff your dealing with as well. Sending good vibes your way."

What Rossi was likely referring to was the cancer battle Edmonds' husband's ex-wife (the mother of his teenage daughter) is currently fighting.

For more Meghan King Edmonds, tune into The Real Housewives of Orange County tonight at 9 p.m. on Bravo.