Lindsay Lohan endorses Mitt Romney (yes, yes she did) at the launch of a new ginseng drink; Katy Perry sings for Kate Hudson, Sarah Jessica Parker, Chelsea Handler and more at the amfAR gala and helps it raise $1.3 million in a single night; the GRAMMYs present a special tribute show to Whitney Houston with performances from Usher and Jennifer Hudson; Kyle Richards celebrates her Beverly Hills boutique's grand opening with Lisa Vanderpump and Whitney Port—laugh, cry and feel lots of emotions in between as we bring you the Thursday event rundown in this installment of Last Night's Parties.
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