Perez Hilton's birthday saw a whole host of celebrities join in the celebrations this weekend at the Siren Studios in Hollywood.
The showbiz blogger told everyone to wear hats
for his fancy dress theme, which saw the birthday boy attend dressed as a sultan in stunning blue silk.
Some stars really embraced the humorous theme, with High School Musical star Ashley Tisdale spotted wearing some Minnie Mouse ears, while British singer Natasha Bedingfield chose to sport an extravagant feather headpiece.
Other celebrities chose to keep it classy for Perez's 34th birthday bash.
Kim Kardashian wore a black and silver fascinator to match her voluptuous monochrome dress and Dita Von Teese kept it girly with an oversized red hair bow.
The event was also held as a fundraiser for the VH1 Save The Music Foundation, and guests were encouraged to donate to the cause rather than buy the host presents.
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