Where you can find Jennifer Garner's pajamas from ''The Invention of Lying,'' Katie Cassidy's necklace from ''Melrose Place,'' and more

By Archana Ram
Updated October 02, 2009 at 04:00 AM EDT

I love Jennifer Garner’s pajamas in The Invention of Lying. Can you find them?
— Katy
Anna (Garner) rests up in these cute pj’s by Thomas Pink. Hers are no longer available, but you can get a similar look with the British label’s ”Suzanne” pajamas, above (thomaspink.com; $195).

I was smitten with the breezy yellow dress Rebecca wore for her engagement party on Brothers & Sisters. Where can I get it?
— Rachel
”Rebecca’s style is mall chic with a few edgy pieces, like Alexander Wang and Phillip Lim, thrown in,” says B&S costume designer Melina Root of Emily VanCamp’s onscreen wardrobe. For Rebecca’s soiree, Root chose BCBG’s silk halter minidress for its silhouette (bcbg.com; $208). ”Emily is a trained dancer with beautiful posture. We do an open back for her a lot.”

Who makes Ella’s geometric necklace on Melrose Place? I have to have it!
— Melanie
Power-hungry publicist Ella (Katie Cassidy) shows off a sense of style that’s almost as big as her ambition with a black resin necklace by House of Harlow 1960 — which happens to be Nicole Richie’s jewelry line (singer22.com; $120).