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Lady Gaga and Donatella Versace posed together before a meeting in Milan, Italy. “Some legends, truly are. Pic of me walking into Gianni’s apt, which she covered in 40,000 roses. I love u #Donatella” the singer tweeted.  Click through the gallery to see Scarlett Johansson, David Beckham and more stars at this week’s hottest parties.

• Thierry Mugler’s Paris Moment
• NFL Lady Gaga Style
• More Celebrities Partying!