While celebrities often hit the Academy Awards red carpet looking flawless, they didn't wake up that way (well, maybe some of them did as the bigwigs tend to be genetically blessed). But most spent hours in the hair and makeup chair or afternoons with their stylists getting their look just right. We're checking out Instagram to give you inside access to exactly how they're getting red carpet ready. While Pharrell Williams took a spin in the barber chair, Heidi Klum  got silly with her glam squad. See those shots and more in the roundup below!
Stylist Estee Stanley helped Jessica try on her sparkling accessories.
Now this is a party dress!
The Oscars presenter sported a chic updo, thanks to hair stylist Mark Hampton.
Penélope Cruz 's look was inspired by Sophia Loren.
Lupita Nyong'o's pale nail color was called La Vie En Rose by Deborah Lippmann.
Sarah Paulson was ready to head out the door.
Camila Alves needed a few last-minute touch-ups.
Stylist Elizabeth Stewart snapped Julia Roberts  and her hairstylist Serge Normant.
Charlize Theron  slipped into her elegant black dress.
Chrissy Teigen needed help to get into her Monique Lhuillier gown.
Naomi Watts  looked elegant while the final touches were put on her makeup.
Lupita Nyong'o teased us with a picture of her ring and manicure.
This cute white clutch completed Kristen Bell 's outfit.
Jessica Biel  had a handful of chic clutch options thanks to her stylist Estee Stanley.
A trip to the barber was all Pharrell Williams needed to be prepped for the carpet. But will he wear a hat?
Maria Menounos got her nails done with help from Butter London's Global Color Ambassador Katie Jane Hughes.
Stylist Caley Lawson Rinker gave us a sneak peek at Kelly Osbourne's accessories.
Heidi Klum  had a silly moment before the show.
Kelly Osbourne's stylist created coils with pin curls.