She returned later on Friday, at 9 p.m., for a second hour.
Paula, who had flown on a red-eye from Los Angeles after "American Idol" late Wednesday night, seemed more sure of herself in the evening telecast.
On both shows, Paula described her jewelry and complained about Simon Cowell, a bit she trots out in every public appearance these days.
She calls her line "inspiration jewelry" and some of the pieces come with sayings etched on them, such as the Inspiration Charm Set, with your choice of shapes and a tiny dogtag with a related, inspirational message. "Love yourself, it's the beginning of a lifelong romance," says the message accompanying a heart charm.
She revealed that Simon annoys her by whispering nonsense such as "the moth that's inside the wonton" in her ear during "American Idol."
Throughout the two shows, Paula explained the symbolism of her jewelry, such as the Single Feather 56" Chain Necklace ($35).
"I love feathers," she said, "because feathers then join as wings and, for me, I always say, Spread your wings, fly without strings. Don't ever be attached to anything you don't want to be attached to!"
Sales were brisk, according to QVC. A spokeswoman said Paula "practically" doubled her sales goals and a number of items were sold out (until they make more available any minute, presumably).