The Christmas spirit brings everyone together — includingKhloé Kardashianand her ex,Tristan Thompson.

While the two weren’t pictured in any photos together, it was clear that Khloé, 35 and the NBA player Thompson, 28, both attended the holiday soiree.

Both stars shared photos of themselves from the star-studded event Tuesday to their Instagram Stories.

In the photo, the Cleveland Cavaliers player looks dapper while posing in a dark suit with a white undershirt and bracelets.

Tristan Thompson

Tristan Thompson/Instagram

His appearance at the Kardashian get-together comes one day after he was in Cleveland for a game against the Atlanta Hawks.

Meanwhile, Khloé posted multiple photos and videos to her Instagram throughout the night.

In one clip, the reality star showed off her singing skills with sisterKim Kardashian Westand half-sisterKylie Jenneras chart-topping artistSiaperformed at the party.

Khloe Kardashian/Instagram

Khloe Kardashian

The mom of one looked sexy and chic for the holiday bash in a one-strapped gold sequined dress, with her blonde hair styled in a short bob.

Khloé and Thompsonsplitafter news broke in February that the basketball player had hooked up with 22-year-oldJordyn Woods, a longtime friend of the Kardashian-Jenner family, though they continue to co-parent their 20-month-old daughterTrue.

Thompson has never publicly addressed the scandal, but according to Woods, he kissed her at an afterparty at his house on Feb. 17 after a long night of drinking. She has adamantly denied that they had sex, and eventook a lie detector testonJada Pinkett Smith‘s Facebook Watch showRed Table Talk.

While the exes arehealthily co-parentingtheir daughter, a source told PEOPLE inearly Decemberthat theyhaven’t rekindled their romantic relationship.

“Tristan is very charming and sweet to Khloé,” the source said. “She always wanted to keep her family together because of True. Splitting from Tristan in the past was extremely difficult for her. She is flattered that he is trying to win her back, but not flattered enough to be in a romantic relationship with him.”

“Who knows what will happen in the future though,” the source added. “Right now she is focused on just getting along with him so they can have the best family time together with True.”

source: people.com