Jon Furniss/WireImage.com; Epsilon/Epsilon/Getty Images
The fuchsia frock that SJP wore to the London premiere of Did You Hear About the Morgans? in December was actually by Nicole Kidman-favorite L'Wren Scott. Megan's equally eye-popping number, which she rocked at the Moscow premiere of Transformers: Revenge of the Fallen this time last year, was the work of Armani Privé.
Both stars looked like knockouts in their similar-looking sheaths, but which one took a beating at the register?
Find out in mystyle's Who Broke the Bank? shopping game!