Kourtney shared a selfie with Kim on her Instagram Story, expressing their togetherness on the premiere night of "The Kardashians" Season 3.
IMAGE INSTAGRAM
The sisters were backstage at Barclays Center in Brooklyn, where Kourtney's husband, Travis Barker, was performing.
Kim also shared a photo of the sign above Barker's dressing room and a video of the band performing "I Miss You" on stage.
The concert outing raises speculation about the future of their relationship.
IMAGES FROM INSTAGRAM
Viewers are curious to see how the feud unfolds and whether it will be resolved as the season progresses.