Inside Kate Hudson's star-studded fancy dress party! by hellofashion.com / 25 April 2016 Kate Hudson celebrated her 37th birthday with a 'Hot Mess'-themed, star-studded party over the weekend. Some of the attendees made sure to keep us updated with the antics over Instagram - we've rounded up the best pics here! "Happy Birthday @katehudson @derekblasberg @jenmeyerjewelry!!! Last night was FUN!! #AnnualHotMessParty #Trainwreck #WeddingEdition" Read more about: Fashion news Kate Hudson "Happy Birthday to the ultimate hotmess @derekblasberg ❤️🌹#Hotmess." "Best Costume Party Partner @poppydelevingne #Hotmess #Brides 👰🏼👰🏼," wrote supermodel Rosie. Kate looked amazing as she celebrated her 37th birthday. Celebrity stylist Rachel Zoe posted several photos from the bash on her Instagram account. "Why is @rosiehw this beautiful while trying to be a hot mess bride? #ustilllooksopretty #lovemesomerhw #supermodelforever XoRZ," Rachel captioned this snap. Rachel wrote: "I guess this makes me the maid of honor between my @jenmeyerjewelry @iamsarafoster #hotmessbride #weddingedition #lovethesegirls #hbday 💍🎂🍾👰🏻 XoRZ"