As Kim begins to question Kendall's seriousness as a runway model, Kendall snaps. Jenner accuses her big sister of living vicariously through her and pushing her into a career she's "scared" of. Kendall screams, "I feel like you're doing this for yourself!"
Watch the video for the full confrontation.
"Keeping up With the Kardashians" airs Sunday nights, on E!.