5 Things To Know This AM — Aug 10 2010

Mad Men's Joan Holloway was immortalized as a Barbie, unfortunately Mattel forgot to add her curves. Bad, Barbie, bad. (Stylelist)
Lost-ies and Weezer fans, unite! The cover of the new Weezer, Hurley, features an actual photo of, wait for it, Hurley. (Spinner)
Katy Perry has been a fan of nail art for some time, and her hologram manicure at the Teen Choice awards did not disappoint. (Bellasugar)
Rachel Zoe literally dies in the new issue of Bazaar. (People)
Rachel Bilson and Hayden Christensen have officially called off their engagement. (E!Online)

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