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She certainly knows how to make an entrance!

After the Oscar telecast on Sunday evening Lady Gaga swung by Elton John's Oscar viewing party, and after that she changed into an even sexier dress and stopped by the Vanity Fair after party in West Hollywood. The 27-year-old singer blew kisses and waved to fans and photographers, and even though she was just attending the show as a guest, she acted like the biggest star there. Typical...

But it was what happened at the Elton John party that was far more interesting than anything Gaga wore ... she hugged it out with Kelly Osbourne! Well, kinda. But given that the ladies posed for this hilarious photo together, it does seem like their feud has cooled down...

kelly-osbourne-elton-oscars.jpgGetty Images for Elton John Aids Foundation