Paris Hilton's dear old ma Kathy got a bit of a shock when she finally got around to watching Adria Petty's documentary on the jetsetting Mother Teresa of Kigali, because the film contained extracts from legendary amateur grumble flick One Night in Paris.

Mum was treated to a preview screening of Paris, Not France, ahead of its US network TV debut tomorrow. A shaken Kathy said: "I didn't know [the sex tape] was going to be in it. It's very tough. I can't believe they kept that part in there. I thought they kept that part out. It's very hard for us to watch."

Petty's exposé apparently shows that Paris's life is not a bowl of cherries eaten while reclining on a chaise, but rather that of a "cool", "smart" and "hard-working" chick who takes time out from her punishing schedule only to worry Rick Salomon's spam javelin. ®

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