When Karen sees Julie she says "a hottie grows in Brooklyn," and Grace says that Karen is harmless. This is all as if Karen and Julie had never met, but Karen had previously hired Julie to give her a massage. While it's possible with Karen's drinking and drug use that she doesn't remember, it doesn't explain why Julie doesn't seem to recognize Karen.
Reunites Demi Moore and Megan Mullally since "About Last Night..." (1986)